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 pregravid Prior to pregnancy. pregrease To grease something prior to use or assembly pregreasing The greasing of something (especially a bearing) in advance of use pregreeting Before a greeting. pregrievance Before a grievance is filed. pregrill To grill (food) in advance. pregrind To grind something prior to use or assembly pregrinding The grinding of something prior to use. pregroove A premolded spiral groove in an optical disc, used to guide the laser beam when the disc is read or written. preground Having been ground in advance. pregroup To arrange into groups in advance. pregroupoid A category together with its inversion. pregrown grown in advance pregrowth A period before growth begins pregs Pregnant. preguidance Before guidance. pregummed gummed in advance pregustant Tasting or experiencing beforehand; having a foretaste. pregustation The act of tasting something beforehand; foretaste. pregustator A servant employed to taste the food and drink served to another, to ensure its quality and safety. prehab prehabilitation prehabilitated habilitated prior to some other process prehabilitation A form of strength training that aims to prevent injuries before they can occur prehabilitative Relating to, or promoting prehabilitation prehadron A confined complex of quarks that has some characteristics of a hadron prehadronic Of or pertaining to prehadrons. prehallical Relating to the prehallux prehallux An extra first toe, or rudiment of a toe, on the preaxial side of the big toe. prehand Beforehand; at an earlier time. prehandicap Before the onset of a physical or mental disability. prehard prehardened preharden To harden before machining. prehardener A solution of chemicals used to harden the gelatin of a photographic emulsion prior to processing. preharvest Before a harvest. preharvested Prior to harvesting; pre-harvest preharvesting Tasks carried out in preparation for harvesting, such as checking crop readiness and soil conditions and arranging logistics and storage. prehatch Before the hatching of an egg prehatched Not yet hatched prehatching Before the hatching of an egg. prehaustorium A structure formed between the root of a parasitic plant and its host that develops into a haustorium prehazard Before a hazardous event. prehead The group of unstressed syllables preceding the head (if present) or nucleus (if there is no head). preheadache Before the onset of a headache. preheader Material that precedes a header. prehealth Any course of study taken by an undergraduate in preparation for study in healthcare. prehearing Before a legal hearing. preheat To heat beforehand or in advance, to heat something in preparation for further action. preheatable Capable of being preheated. preheated heated up beforehand. preheater An engineering device that preheats a material prior to some other process. Preheim A surname. prehellenic Of or pertaining to Greece before the Hellenic period. prehemiplegic Before the onset of hemiplegia. prehemorrhagic Prior to hemorrhage prehend To perceive in the manner of Alfred North Whitehead's concept of prehension. prehendability The quality of being prehendable. prehendable Capable of being prehended. prehensibility The condition of being prehensible prehensible Capable of being seized. prehensile Able to take hold of and clasp objects; adapted for grasping especially by wrapping around an object. prehensilely In a prehensile way. prehensility The condition, or extent, of being prehensile. prehensily In a prehensile manner. prehension The act of grasping or gripping, especially with the hands. prehensive Of or relating to Alfred North Whitehead's concept of prehension. prehensiveness The quality of being prehensive. prehensor One who, or that which, takes hold; a grasping limb etc. prehensorial Being or relating to a prehensor. prehensory Adapted to seize or grasp; prehensile. preheparinized heparinized prior to some other operation prehepatic anterior to the liver. preheritance Transfer of property to relatives or other beneficiaries prior to death. preheroic Before becoming a hero. preherpetic Prior to the onset of herpes. prehesternal Relating to past time earlier than yesterday. preheterosexual In a state prior to the development of heterosexuality; related to that state. prehexaplaric Before the publication of the hexapla Old Testament. prehiatus Before a hiatus. prehibernation Prior to hibernation prehierarchical Prior to the formation of a hierarchy prehilar Anterior to a hilum. prehire Occurring before an employee is hired. prehiring Before hiring an employee. prehispanic Of or pertaining to the period of time before, or during the early part of the 16th century when Spanish explorers arrived and began to colonize the New World, e.g. Mesoamerica, South America, the Philippines, etc. prehistorian A student of, or expert in prehistory. prehistoric Of or relating to the epoch before written record. prehistorical prehistoric prehistorically In a prehistoric manner. prehistorics The scientific study of prehistory. prehistory The time before written records in any area of the world; the events and conditions of those times. Prehn A surname from German. prehnite A mineral, a basic calcium, aluminium and iron aluminosilicate, which occurs in stalactitic aggregates or curved crystals, Ca₂Al₂Si₃O₁₀(OH)₂. prehnitene 1,2,3,4-tetramethylbenzene, a flammable aromatic hydrocarbon found naturally in coal tar. prehnitic Of or relating to prehnite. prehodiernal Relating to past time earlier than today. preholiday Before a holiday. prehominid Any evolutionary ancestor of the hominids. prehomogeneous Having an automorphism group with an open orbit. prehormone A substance secreted by glandular tissue that has little or no significant biological activity, but is converted in peripheral tissues into an active hormone. prehorse Of relating to the epoch before horses were domesticated. prehospital Before a patient is brought to a hospital. prehospitalization Prior to hospitalization. prehospitally Before a patient's admission to hospital. prehostility Prior to hostility. prehuman Preceding the advent of modern humanity, Homo sapiens. prehumeral Anterior to the humerus. prehumiliation Before humiliation. prehumous Before death. prehumously Before death. prehung Delivered to the customer as installation-ready unit, already attached to its frame. prehunting Prior to the start of hunting prehurricane Occurring before a hurricane. prehybridization hybridization prior to some other process prehybridize To hybridize prior to some other process prehydrate to hydrate in advance (of e.g. exercise, a drought) prehydrated hydrated in advance of another process prehydration hydration prior to some other process prehydrolysate The product of a prehydrolysis prehydrolysis hydrolysis prior to some other process prehydrolyzed hydrolyzed prior to some other operation prehypertension A blood pressure higher than normal but not high enough to be considered hypertension. prehypertensive Having prehypertension (fairly high blood pressure). prehypertrophic Prior to the presence of hypertrophy prehypertrophy A stage just prior to hypertrophy prehypnosis Before hypnosis. prehypnotic Before hypnosis. prehypocristid A dental feature anterior to a hypocristid prehypsarrhythmic That precedes hypsarrhythmia. preictal Before an ictal attack preictally Occurring prior to an epileptic seizure. preicteric Prior to becoming jaundiced. preidentification The act or process of preidentifying; identification beforehand. preidentified Identified in advance preidentify To identify in advance. preighter A freighter converted from a passenger aircraft. preignition The premature detonation of a fuel charge in Four-stroke cycle engines. preileorectal upstream of the ileorectal region preilluminate To illuminate in advance. preillumination Illumination prior to some other process. preimage For a given function, the set of all elements of the domain that are mapped into a given subset of the codomain; (formally) given a function ƒ : X → Y and a subset B ⊆ Y, the set ƒ⁻¹(B) = {x ∈ X : ƒ(x) ∈ B}. preimaginal Prior to the insect imago stage. preimagine To imagine in advance. preimago A developmental stage of an insect before imago. preimbibe To imbibe prior to some other action preimbibed imbibed prior to some other action preimitative Before the development of true imitative behaviour. preimmigration Before immigration. preimmune Preceding an immune response preimmunization immunization in advance of an expected threat preimmunize To immunize in advance of another treatment