10-letter words containing a, o
- acotyledon — any plant, such as a fern or moss, that does not possess cotyledons
- acoustical — acoustic; specif., having to do with the control of sound
- acousticks — Obsolete form of acoustics.
- acquisitor — a person who has a tendency to acquire (information or ideas), or a desire to possess
- acroamatic — relating to oral communication
- acrobatics — Acrobatics are acrobatic movements.
- acrobatism — the art, or feats, of the acrobat
- acrogenous — (botany) Increasing by growth from the extremity.
- acrogynous — having the female reproductive organ arising from the apical cell of the stem, thereby terminating its growth, as certain liverworts.
- acromegaly — a chronic disease characterized by enlargement of the bones of the head, hands, and feet, and swelling and enlargement of soft tissue, esp the tongue. It is caused by excessive secretion of growth hormone by the pituitary gland
- acromicria — abnormal smallness of the head and extremities.
- acronychal — occurring at sunset
- acronyming — 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.
- acronymous — 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.
- acrophobia — abnormal fear or dread of being at a great height
- acrophobic — a pathological fear of heights.
- acrophonic — the use of what was originally a logogram as a phonetic symbol for the initial sound of the word the logogram represented, as, in Semitic writing, the use of a picture of a shepherd's crook to represent the sound (l), the first sound of lamed, the Hebrew word for a shepherd's crook.
- acrostical — relating to an acrostic
- acroterial — relating to an acroter
- acroterion — acroterium.
- acroterium — an ornament positioned on top of an acroter
- act of god — An act of God is an event that is beyond human control, especially one in which something is damaged or someone is hurt.
- act of war — an aggressive act, usually employing military force, which constitutes an immediate threat to peace
- actiniform — having radial form; rayed
- actinogram — the record produced by the action of an actinograph.
- actinolite — a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca2(Mg,Fe)5Si8O22(OH)2
- actinology — the science of light rays and their chemical effects
- actinopods — any protozoan of the subclass Actinopoda, including the heliozoans and radiolarians, having stiff, rodlike, radiating pseudopodia.
- actinozoan — anthozoan
- action man — a person who relishes physical activity
- actionable — If something that you do or say to someone is actionable, it gives them a valid reason for bringing a legal case against you.
- actionably — In an actionable manner.
- actionless — inactive, without action
- activation — to make active; cause to function or act.
- activators — Plural form of activator.
- actomyosin — a complex protein in skeletal muscle that is formed by actin and myosin and which, when stimulated, shortens to cause muscle contraction
- actuations — to incite or move to action; impel; motivate: actuated by selfish motives.
- acute dose — a total dose of radiation administered over such a short period that biological recovery is impossible
- acyl group — the univalent group RCO–, where R is any organic group attached to one bond of the carbonyl group.
- acyrologia — (rhetoric) inexact, inappropriate or improper use of a word.
- ad gloriam — for glory.
- ad hominem — directed against a person rather than against his arguments
- ad valorem — (of taxes) in proportion to the estimated value of the goods taxed
- ad-hockery — reliance on temporary solutions rather than on consistent, long-term plans.
- adactylous — possessing no fingers or toes
- adaptation — An adaptation of a book or play is a film or a television programme that is based on it.
- adaptogens — Plural form of adaptogen.
- adderstone — a prehistoric ornamental bead
- addictions — Plural form of addiction.
- addisonian — of, relating to, or characteristic of Joseph Addison or his works.