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 preoptic In front of the optic chiasm preoptimization An advance optimization; an instance of preoptimizing. preoptimize To optimize in advance. preoption The right of first choice; the right or ability to choose something before others. preoral Situated in front of, or anterior to, the mouth. preorally In front of the mouth. preorbital Occurring before an orbit is established. preordain To determine the fate of something in advance. preordained determined in advance; predestined preordainment The act of preordaining something. preorder To order (goods or services) in advance, before they are available. preordered Equipped with a preorder. preordinance Antecedent decree or determination; a rule previously established. preordinate preordained preordination The state or process of things being preordained. preorganic Before the formation of organic life. preorganization Organization in advance of some other process or event. preorganize To organize in advance. preorganized Organized in advance. preorgasmic Happening before an orgasm. preorgastic Preorgasmic. preorientation Prior to orientation. preoriented oriented prior to some other process preorigin An ultimate source or origin, before the generally known or accepted origin. preoriginal Before the (presumed) original. preorogenic Occurring before orogenesis. preosseous Relating to tissue that will become bone preosteoblast A mesenchymal cell that differentiates to form an osteoblast preosteoblastic Prior to the formation of an osteoblast preosteoclast A type of cell that develops into an osteoclast preosteoclastic Relating to preosteoclasts preosteocyte A cell, derived from an osteoblast, that develops into an osteocyte preosteocytic Prior to the development of osteocytes preosteogenic Prior to osteogenesis preotic In front of the middle ear preoutbreak Before the outbreak of a disease. preoutfit To outfit in advance. preoutline A preliminary outline. preoviposition Prior to oviposition. preovipositional Prior to egglaying preovipository Prior to oviposition preovulation The period of time that precedes ovulation. preovulatory Prior to ovulation. preoxidation oxidation prior to some other process preoxidative Relating to preoxidation preoxidized oxidized in advance of another process preoxygenate To oxygenate prior to some other process preoxygenation oxygenation prior to some other process preoxygenator Upstream of the oxygenator. prep Preparation. prepack To pack in advance. prepackage To enclose in packaging prior to sale. prepackaged That has been packaged prior to being sold. prepackager One who or that which prepackages. prepackaging packaging applied prior to an object being sold prepacked Packed in advance. prepageant Before a pageant. prepaging The loading of memory pages before they are needed, so as to avoid page faults. prepaid Paid for in advance. prepain A physical sensation that is not pain but would become pain if it were more intense. prepainful Before the onset of pain. prepaint To paint in advance. prepalatal Anterior to the palate. prepaleolithic Before the Paleolithic era. prepandemic Before a pandemic. prepanic Prior to a state of panic. preparability Ability to be prepared; the quality or degree of being preparable. preparable Capable of being prepared. preparacrista A crista directed anteriorly from the vicinity of the paracone apex, confluent with the precingulum. preparade Before a parade. preparadigmatic Before the formation of a paradigm. preparalytic Before the onset of paralysis. preparasitic prior to becoming a parasite preparasubthalamic rostral to the parasubthalamic nucleus preparate To prepare. preparation The act of preparing or getting ready. preparational preparatory preparationism The view, in Christianity, that unregenerate people can take steps (such as praying, or reading the Bible) in preparation for conversion, and should be exhorted to do so. preparationist A proponent of preparationism. preparative That serves to prepare something. preparatively By way of preparation. preparator A person who prepares specimens or exhibits preparatorily In a preparatory manner. preparatory Of or pertaining to preparation, having the purpose of making something or someone ready, preparative. prepardon Before a pardon is granted. prepare To make ready for a specific future purpose; to set up; to assemble or equip; to forearm. prepared Disposed, willing, ready (to do something). preparedly In a prepared manner. preparedness The state of being prepared. preparement Preparation. preparental Prior to parenthood. preparenthood The state or period of time leading up to parenthood. preparer One who, or that which, prepares, fits, or makes ready. preparietal In front of a parietal region preparing preparation preparingly By way of preparation; anticipatorily. preparliamentary Before entry into parliament. preparoxysmal Before a paroxysm. preparse To parse in advance. preparser A software component that performs parsing in advance. prepartal Prepartum. prepartally Before childbirth. preparticipation Prior to participation. prepartition To partition in advance of some other operation. prepartitioning partitioning prior to some other operation prepartnership Prior to a partnership. prepartum Before giving birth; prenatal. preparturial Prior to parturition preparty A party held before the start of an event, usually a public event. prepaschal Synonym of antepaschal. prepass A prior pass of an algorithm or process, sometimes as an optimization to handle simpler cases. prepaste To paste in advance. prepasted Having paste already applied, requiring only the addition of water. Prepastonian An age from ~2.0 to ~1.87 million years ago, a subdivision of the Pleistocene. prepastoral Before pastoralism. prepatch To patch in advance. prepatellar In front of the kneecap. prepatency The prepatent period, before symptoms become apparent. prepatent Before symptoms (especially of infection) become manifest. prepatently In a prepatent manner prepathological Before, or leading to, a pathological state. prepatriarchal Before patriarchy. prepattern A pattern established in advance prepatterned patterned in advance prepatterning The formation of a pattern before some other process prepausal Before a pause in speech. prepausally Before a pause in speech. prepause Synonym of prepausal. prepave To pave beforehand. prepavement Before the invention or installation of pavements. prepay To pay in advance, or beforehand prepayability The state or quality of being prepayable. prepayable To be paid, or paid for, in advance. prepayer One who makes an advance payment. prepayment A payment in advance. prepectoral In front of the pectoral muscles prepectus An anterior marginal sclerite of an insect thorax prepelvic In front of the pelvis prepend To attach (an expression, phrase, etc.) to another, as a prefix. prepender A software component that prepends data to a computer file. prepending The act by which something is prepended. prepenetration Penetration prior to another process. prepenial Situated in front of, or anterior to, the penis. prepense Devised, contrived, or planned beforehand; preconceived, premeditated. prepensely In a premeditated manner. prepensive prepense; planned beforehand prepenultimate Synonym of antepenultimate. prepeptide The part of an enzyme that is directed to a specific part of a cell before becoming a protein preperceive To perceive in advance. preperception A preliminary perception.