8-letter words containing a, o
- acoelous — not having a true digestive tract
- acoemeti — an order of monks founded in the 5th century, distinguished by the continuous nature of their praise and prayer
- acolytes — Plural form of acolyte.
- aconites — Plural form of aconite.
- aconitum — any plant belonging to the genus Aconitum, of the buttercup family, having irregular flowers usually in loose clusters, including species with poisonous and medicinal properties.
- acosmism — a belief that no world distinct from God exists
- acosmist — someone who believes that no world distinct from God exists
- acoustic — An acoustic guitar or other instrument is one whose sound is produced without any electrical equipment.
- acrimony — Acrimony is bitter and angry words or quarrels.
- acrobats — Plural form of acrobat.
- acrodont — (of the teeth of some reptiles) having no roots and being fused at the base to the margin of the jawbones
- acrolect — the most standard form of language
- acrolein — a colourless or yellowish flammable poisonous pungent liquid used in the manufacture of resins and pharmaceuticals. Formula: CH2:CHCHO
- acrolith — (esp in ancient Greek sculpture) a wooden, often draped figure with only the head, hands, and feet in stone
- acrology — acrophony.
- acromial — relating to the acromion
- acromion — the outermost edge of the spine of the shoulder blade
- acronyms — a word formed from the initial letters or groups of letters of words in a set phrase or series of words and pronounced as a separate word, as Wac from Women's Army Corps, OPEC from Organization of Petroleum Exporting Countries, or loran from long-range navigation.
- acrosome — a cap-like structure on the tip of a spermatozoon that releases enzymes on encountering the ovum allowing fusion with the ovum in the sexual reproductive process; this part of the process is known as the acrosome reaction
- acrostic — a number of lines of writing, such as a poem, certain letters of which form a word, proverb, etc. A single acrostic is formed by the initial letters of the lines, a double acrostic by the initial and final letters, and a triple acrostic by the initial, middle, and final letters
- acrotism — an absence of pulse
- act upon — anything done, being done, or to be done; deed; performance: a heroic act.
- actinoid — having a radiate form, as a sea anemone or starfish
- actional — Of, pertaining to, or depicting action, especially physical action.
- actioned — Simple past tense and past participle of action.
- actioner — a film with a fast-moving plot, usually containing scenes of violence
- actoress — Alternative form of actress.
- actorish — of, relating to, or characteristic of an actor
- actuator — An actuator is a machine or part of a machine which moves or controls another part in response to an input.
- acupoint — any of the specific points on the body where a needle is inserted in acupuncture or pressure is applied in acupressure
- adaption — Adaption means the same as adaptation.
- adaptors — Plural form of adaptor.
- addition — An addition to something is a thing which is added to it.
- additory — additional
- addorsed — placed back to back
- adductor — a muscle that adducts
- adenoids — Adenoids are soft lumps of flesh at the back and top of a person's throat that sometimes become swollen and have to be removed.
- adenomas — Plural form of adenoma.
- adenosis — a minor glandular condition typified by swelling of the lymph glands
- adespota — anonymous works of poetry
- adhesion — Adhesion is the ability of one thing to stick firmly to another.
- adiposis — obesity or excessive fatness
- adjoined — to be close to or in contact with; abut on: His property adjoins the lake.
- adjoints — Plural form of adjoint.
- adjourns — Third-person singular simple present indicative form of adjourn.
- adjustor — a person or thing that adjusts.
- admonish — If you admonish someone, you tell them very seriously that they have done something wrong.
- adnation — the adhesion or cohesion of different plants
- adonijah — a son of David, put to death at the order of Solomon. II Sam. 3:4; I Kings 2:19–25.
- adonises — Classical Mythology. a youth slain by a wild boar but permitted by Zeus to pass four months every year in the lower world with Persephone, four with Aphrodite, and four wherever he chose.