| ACROBATIC | • acrobatic adj. Of or pertaining to an acrobat. • acrobatic adj. Vigorously active (Can we add an example for this sense?). • ACROBATIC adj. like an acrobat, agile. |
| ACRODONTS | • acrodonts n. Plural of acrodont. • ACRODONT n. an acrodont animal. |
| ACRODROME | • acrodrome adj. (Botany, of the veins of a leaf) That run parallel to the edges of the leaf and meet at the tip. • ACRODROME adj. of the veins in a leaf, running parallel to the edges of the leaf and fusing at the tip, also ACRODROMOUS. |
| ACROGENIC | • acrogenic adj. Alternative form of acrogenous. • ACROGENIC adj. like or relating to an acrogen, a cryptogam with a distinct permanent stem. |
| ACROLECTS | • acrolects n. Plural of acrolect. • ACROLECT n. a variety of language closest to the prestige form. |
| ACROLEINS | • acroleins n. Plural of acrolein. • ACROLEIN n. a flammable liquid, an aldehyde of allyl alcohol. |
| ACROLITHS | • acroliths n. Plural of acrolith. • ACROLITH n. (Greek) a statue with a wooden trunk and stone head and extremities. |
| ACRONICAL | • acronical adj. (Astronomy) Alternative form of acronycal. • acronical adj. Occurring at sunset. • acronical adj. Occurring at the end of life. |
| ACRONYCAL | • acronycal adj. (Astronomy) Rising at sunset and setting at sunrise, as a star. • ACRONYCAL adj. occurring at nightfall or sunset, (esp. of the rising or setting of stars), also ACRONIC, ACRONICAL, ACRONYCHAL. |
| ACRONYMIC | • acronymic adj. Pertaining to the use of acronyms. • ACRONYMIC adj. relating to an acronym, a word fabricated from the initial letters of a name or phrase. |
| ACROPETAL | • acropetal adj. (Botany) That develops, matures or opens from the base towards the apex in sequence. • ACROPETAL adj. in the direction of the tip of the plant. |
| ACROPHOBE | • acrophobe n. A person who suffers from acrophobia, a fear of heights. • ACROPHOBE n. someone with an abnormal fear of heights. |
| ACROPHONY | • acrophony n. The naming of letters in an alphabetic writing system using words whose initial sounds are represented… • ACROPHONY n. the use of a word starting with a letter of the alphabet as the name of the letter. |
| ACROPOLIS | • acropolis n. A promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which… • Acropolis prop.n. The Athenian Acropolis. (Compare acropolis.) • ACROPOLIS n. (Greek) a citadel, esp. that of Athens. |
| ACROSOMAL | • acrosomal adj. Of or pertaining to acrosomes. • ACROSOMAL adj. relating to an acrosome, a structure containing enzymes found at the tip of the spine. |
| ACROSOMES | • acrosomes n. Plural of acrosome. • ACROSOME n. a thin sac at the head of the sperm. |
| ACROSPIRE | • acrospire n. (Botany) The sprout at the end of a seed when it begins to germinate. • acrospire v. To put forth the first sprout. • ACROSPIRE n. the first real shoot developing in a germinating grain seed. |
| ACROSTICS | • acrostics n. Plural of acrostic. • ACROSTIC n. a poem in acronym form. |
| ACROTERIA | • acroteria n. Plural of acroterium. • ACROTERIUM n. a pedestal or ornament at the angle of a pediment, also ACROTER, ACROTERION. |
| ACROTISMS | • ACROTISM n. absence of pulsation. |