Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z tropal Of or relating to a trope. tropane A nitrogenous bicyclic heterocycle, mainly known for a group of alkaloids derived from it, including atropine and cocaine. tropanserin A drug which acts as a potent and selective 5-HT₃ receptor antagonist. troparic (in Byzantine music) Of or relating to troparion troparion A short hymn of one stanza, or organised in more complex forms as a series of stanzas. tropatepine An anticholinergic used as an antiparkinsonian agent. trope Something recurring across a genre or type of art or literature; a motif. Tropea A surname from Italian. Tropeano A surname from Italian. tropein Any of several mydriatic alkaloids, esters of tropine, extracted from heliotrope tropeine Any of a series of ether-based salts derived from tropine, such as tropisetron tropeless Without tropes. tropept A type of inceptisol rich in organic matter tropeptic Being or relating to a tropept. troper One who tropes. tropery the usage of tropes (in a creative work, genre, style, etc.) tropey Related to, featuring, or characteristic of a trope or tropes. trophallactic Relating to trophallaxis. trophallaxis The mutual exchange of (fluid) food between individuals, especially in social insects. tropharium A structure, in some insects, from which trophocytes are attached trophectoderm The ectoderm from which the trophoblast develops. trophectodermal Relating to the trophectoderm tropheine Any cichlid of the tribe Tropheini trophesial Pertaining to regulation of nourishment by the nervous system. trophesy Malnourishment due to a disorder of the nervous system. trophic Of or pertaining to nutrition. trophical trophic trophically In a trophic manner trophicity The condition of being trophic trophied Adorned with trophies. trophism Any specific form of nutrition involving the tissue of another organism trophobiont The provider of food in trophobiosis. trophobiosis A symbiotic association in which one organism obtains or provides food for another. trophobiotic Of or pertaining to trophobiosis. trophoblast The membrane of cells that forms the wall of a blastocyst during early pregnancy, providing nutrients to the embryo and later developing into part of the placenta. trophoblastic Of, or relating to a trophoblast. trophochromatin The trophic chromatin expelled from the nucleus as chromidia. trophocidal poisonous when ingested trophocyte Any cell that provides nutrition trophocytic Relating to or composed of trophocytes. trophoderm A trophoblast together with the vascular mesodermal layer underlying it trophodermal Relating to or composed of trophoderms. trophodynamic Relating to trophodynamics trophodynamics The dynamics of nutrition or of metabolism trophogen Any substance that affects the growth of an organism or organ trophogenic Formed as a result of feeding trophological Of or pertaining to trophology. trophology The science of nutrition. trophometer A device that measures the amount of food consumed by an animal trophonema Any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos trophoneurosis Synonym of trophesy. trophoneurotic Of or relating to trophoneurosis. Trophonian Of or pertaining to Trophonius, a mythological figure of Ancient Greece, said to have built the temple of Apollo at Delphi and the treasury of King Hyrieus in Boeotia. trophonid Any sea snail in the family Trophonidae, now considered to be the muricid subfamily Trophoninae. trophont The adult, motile life stage of certain ciliate protozoans. trophophase The phase in the active growth of a culture in which primary metabolites are formed. trophophasic Relating to trophophase trophophore The sterile part of a fern's leaf, as opposed to the sporophore. trophophoresy A form of trophobiosis in which one creature carries another creature to another location to farm it (harvest food from it, often after feeding it) there. trophophoretic Exhibiting trophophoresy. trophophoric From which food is obtained. trophophyll A vegetative, nutrient-producing leaf or microphyll, whose primary function is photosynthesis. trophophyllous Relating to a trophophyll. trophophyte A plant which behaves as hydrophyte in the rainy season and a xerophyte in the dry season. trophoplasm an undifferentiated protoplasm that used to be nutritive in use trophoplasmic of or related to trophoplasm trophoplast Any of various organelles found in plant and algae cells, such as a chloroplast, chromoplast, leucoplast, or gerontoplast; a plastid. trophosomal Of or pertaining to a trophosome trophosome The group of nutritive zooids of a hydrozoan. trophospecies A species that has a specific diet trophosperm The placenta. trophotherapy is the science of healing by applied nutrition. trophotropic Relating to trophotropy. trophotropism The movements of the organs in a growing plant, as towards nutrient substances, induced by the chemical nature of its surroundings. trophotropy A state of relaxation, drowsiness and inactivity induced by the parasympathetic nervous system and the action of serotonin. trophozoite A protozoan in the feeding stage of its life cycle. trophus Mouthpart of certain types of organism such as an insect or a member of the Rotifera. trophy An object, usually in the form of a statuette, cup, or shield, awarded for success in a competition or to mark a special achievement. trophyless Without a trophy. trophylike Resembling or characteristic of a trophy. trophywort A plant of species Tropaeolum majus. tropia A visual defect of the eye; strabismus or squint. tropic Either of the two parallels of latitude 23°26′ north and south of the equator; the farthest points at which the sun can be directly overhead; the boundaries of the torrid zone or tropics. tropical Of or pertaining to the tropics, the equatorial region between 23 degrees north and 23 degrees south. Tropicalian Of or relating to the Tropicalia. tropicalism Anything that is characteristic of Tropicália, a Brazilian artistic movement. tropicalist Of, or characteristic of tropicalism. tropicalista A member of a Brazilian art movement, Tropicália or Tropicalismo, of the late 1960s, encompassing theatre, poetry, and especially a mixture of music influenced by bossa nova, rock and roll, and various folk musics. tropicality tropicalness tropicalization The process of tropicalizing tropicalize To modify something (such as electronic equipment) for use in the tropics, especially by making it resistant to heat and humidity tropically In a tropical manner; of the tropics. tropicalness The quality of being tropical. tropicamide A short-acting anticholinergic drug, used to produce dilatation of the pupil and cycloplegia during examination of the eye. tropicamidum A preparation containing tropicamide tropicbird Any of the various seabirds of the order Phaethontiformes, typically found in the open ocean in the tropics tropicopolitan Found throughout the tropics. tropics The region of the Earth centred on the equator and lying between the Tropic of Cancer and the Tropic of Capricorn and characterized by a hot climate. tropidine A bicyclic alkaloid obtained by dehydration of atropine tropidodiscid Any extinct mollusk in the family Tropidodiscidae. tropidophiid Any snake in the family Tropidophiidae. tropiduchid Any planthopper of the family Tropiduchidae. tropidurid lizard in the family Tropiduridae. tropidurine Any lizard of the genus Tropidurus tropify To make a trope. tropilidene The hydrocarbon cyclohepta-1,3,5-triene, or any of its derivatives tropin any of the tropic hormones; one that is secreted by an endocrine gland and targets another such gland tropine A poisonous alkaloid (3-endo)-8-methyl-8-azabicyclo[3.2.1]octan-3-ol obtained by the hydrolysis of atropine tropinone An alkaloid and synthetic precursor to atropine. tropisetron A serotonin 5-HT₃ receptor antagonist used mainly as an antiemetic to treat nausea and vomiting following chemotherapy. tropism The turning of an organism (chiefly a plant) or part of an organism either towards or away from a stimulus; (countable) an instance of this. tropist Someone who uses or deals in tropes. tropistic Of or relating to tropism. tropistically In a tropistic manner. tropitid Any ammonite in the family Tropitidae. tropitrabic Relating to the region between the trabeculae of the heart tropo Tropospheric propagation. tropocollagen A component of fibres of collagen in which three polypeptide chains are coiled around each other. tropoelastin A water-soluble molecule that binds to form the protein elastin. tropological Relating to or involving the interpretation of literature focusing on the ethical lesson or moral of the story. tropologically In a tropological manner. tropologize To use (a word) in a tropological sense; to make into a trope. tropology The use of a trope (metaphor or figure of speech). tropolone any hydroxy-substituted cycloheptatrienone tropometer An instrument to measure torsion or rotation. tropomodulin A protein that binds tropomyosin and thus weakens its interaction with actin. tropomorphic Having a form that alters or shifts; metamorphic. tropomyosin A protein involved in muscle contraction and related to myosin, and occurs together with troponin in the thin filaments of muscle tissue. tropone any derivative of cycloheptatrienone troponin A heterotrimeric regulatory protein complex found in the thin filaments of striated muscle fibers, including both skeletal and cardiac muscle, that controls calcium-mediated muscle contraction. troponoid Any derivative of tropone or tropolone troponym A verb that indicates more precisely the manner of doing something by replacing a verb of a more generalized meaning. troponymic Of, relating to, or being a troponym. troponymically In a troponymic way. troponymous Synonym of troponymic. troponymy The semantic relation between troponyms tropopause The zone of transition between the troposphere and the stratosphere (approximately 13 kilometers). The tropopause normally occurs at an altitude of between 25,000 and 45,000 feet in polar and temperate zones. It occurs at 55,000 feet in the tropics. tropophil Synonym of tropophilous. tropophilous Adapted to seasonal changes. tropophobia The fear of moving or of making changes. tropophyte Any plant that lives in an environment in which heavy rainfall alternates with periods of drought tropopsamment A particular form of psamment troposcatter tropospheric scatter troposmia Parosmia. troposphere The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical temperature change. tropospheric of, or relating to, the troposphere. tropospherically In a tropospheric way. tropotactic Relating to tropotaxis. tropotactically In a tropotactic manner. tropotaxis Movement by organisms with paired receptor cells, triggered when the stimuli at the receptors are equally balanced.