Showing 801 to 900 of 115,704.
- ACRONYMOUSPertaining to the use of acronyms.
- ACRONYMSplural of acronym
- ACROPETALThat develops, matures or opens from the base towards the apex in sequence.
- ACROPETALLYIn an acropetal manner.
- ACROPHOBEA person who suffers from acrophobia, a fear of heights.
- ACROPHOBESplural of acrophobe
- ACROPHOBIAphobia or strong fear of being high above ground level
- ACROPHOBIASplural of acrophobia
- ACROPHONYThe naming of letters in an alphabetic writing system using words whose initial sounds are represented by the respective letters.
- ACROPOLISA promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which many were built for defensive purposes before and during the classical peri
- ACROSOMALOf or pertaining to acrosomes
- ACROSOMEA structure forming the end of the head of a spermatozoon.
- ACROTISMA lack or defect of the pulse.
- ACRYL
- ACRYLAMIDEThe amide of acrylic acid, CH2=CH.CONH2; used in the manufacture of polyacrylamides.
- ACRYLAMIDESplural of acrylamide
- ACRYLATEAny salt or ester of acrylic acid.
- ACRYLATESplural of acrylate
- ACTA
- ACTABLEAble to be acted, as by an actor.
- ACTANTThat which acts; a source of action or activity.
- ACTAS
- ACTEDsimple past and past participle of act
- ACTINA globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
- ACTINALPertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish.
- ACTINALLYIn an actinal manner.
- ACTINGTemporarily assuming the duties or authority of another person when they are unable to do their job.
- ACTINGSplural of acting
- ACTINIAA sea anemone, specifically a member of the genus Actinia.
- ACTINIAEplural of actinia
- ACTINIASplural of actinia
- ACTINICRelated to radiation; used most often in reference to light, especially in the ultraviolet range.
- ACTINIDEAny of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
- ACTINIDESplural of actinide
- ACTINIFORMHaving a radiated form; ray-shaped.
- ACTINISM(chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects
- ACTINIUMA radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores. An atom of this element.
- ACTINIUMSplural of actinium
- ACTINOIDactinide
- ACTINOIDSplural of actinoid
- ACTINOLITEA mineral with monoclinic crystals of the chemical formula Ca2(Mg,Fe)5Si8O22(OH)2, belonging to the amphibole group.
- ACTINOLITESplural of actinolite
- ACTINOMERESplural of actinomere
- ACTINOMETERAn instrument used to measure the heating power of electromagnetic radiation, especially that of solar radiation.
- ACTINOMETERSplural of actinometer
- ACTINOMETRIESplural of actinometry
- ACTINOMETRYthe measurement of the heating power of electromagnetic radiation, especially that of solar radiation
- ACTINOMORPHIESThe condition of being actinomorphic.
- ACTINOMORPHYThe condition of being actinomorphic.
- ACTINONRadon-219 (21986Rn; symbol An), an isotope of radon
- ACTINOPODAny member of the variously ranked group Actinopoda of protozoa.
- ACTINSplural of actin
- ACTIONThe effort of performing or doing something.
- ACTIONABLEAble to be acted on; able to be used as the basis for taking action.
- ACTIONABLYIn an actionable manner.
- ACTIONEDsimple past and past participle of action
- ACTIONERAn action movie.
- ACTIONERSplural of actioner
- ACTIONSplural of action
- ACTIUM
- ACTIVA
- ACTIVEHaving the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.
- ACTIVELYIn an active manner.
- ACTIVESplural of active
- ACTIVIA
- ACTIVISE
- ACTIVISED
- ACTIVISMThe practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.
- ACTIVIZETo convert to activism.
- ACTOMYOSINA protein complex composed of actin and myosin, found in muscle fibers.
- ACTOMYOSINSplural of actomyosin
- ACTONAlternative form of aketon.
- ACTORSomeone who institutes a legal suit; a plaintiff or complainant.
- ACTORISHOf, pertaining to, or characteristic of an actor or theatrical acting; like an actor.
- ACTORLYPertaining or proper to an actor.
- ACTORSplural of actor
- ACTSplural of act
- ACTUALrelating to a person's acts or deeds; active, practical
- ACTUALISENon-Oxford British English standard spelling of actualize.
- ACTUALISEDsimple past and past participle of actualise
- ACTUALISINGpresent participle and gerund of actualise
- ACTUALIZETo make real; to realize.
- ACTUALIZEDsimple past and past participle of actualize
- ACTUALIZESthird-person singular simple present indicative of actualize
- ACTUALIZINGpresent participle and gerund of actualize
- ACTUALLYIn act or in fact; really; in truth; positively.
- ACTUALSplural of actual
- ACTUALY
- ACTUARIESplural of actuary
- ACTUARYRegistrar, clerk.
- ACTUATIONThe act of putting into motion.
- ACTURESAction.
- ACTUS
- ACUITIESplural of acuity
- ACUITYSharpness or acuteness, as of a needle, wit, etc.
- ACULEATEHaving a sting; sharp like a prickle.
- ACULEIplural of aculeus
- ACULEUSA sharp spike or other projection growing on a plant, as in some brambles and roses.
- ACUMENQuickness of perception or discernment; penetration of mind; the faculty of nice discrimination; acuity of mind.
- ACUMENSplural of acumen