12-letter words containing r, a
- acceleration — The acceleration of a process or change is the fact that it is getting faster and faster.
- accelerative — of, causing, or increasing acceleration
- accelerators — Plural form of accelerator.
- acceleratory — Accelerative.
- accelerogram — a graphic record in chart form, produced by an accelerograph in response to seismic ground motions.
- access radio — radio programmes made by the general public as distinguished from those made by professional broadcasters
- accessorised — Simple past tense and past participle of accessorise.
- accessorized — Simple past tense and past participle of accessorize.
- acciaccatura — a small grace note melodically adjacent to a principal note and played simultaneously with or immediately before it
- acclimatizer — An agent that acclimatizes itself or others.
- accommodator — a person or thing that accommodates
- accomplisher — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- according as — to the degree that; in proportion as
- according to — If someone says that something is true according to a particular person, book, or other source of information, they are indicating where they got their information.
- accordionist — a person who plays the accordion, especially with skill.
- accouterment — an accoutering or being accoutered
- accoutrement — Accoutrements are all the things you have with you when you travel or when you take part in a particular activity.
- accreditable — having the ability to be accredited
- accretionary — Of, pertaining to, or in the form of an accretion.
- accrual rate — the percentage rate at which interest accrues on a mortgage, loan, etc
- acculturated — Simple past tense and past participle of acculturate.
- acculturates — Third-person singular simple present indicative form of acculturate.
- accumulators — Plural form of accumulator.
- accurateness — The state or quality of being accurate; accuracy; exactness; nicety; precision.
- accursedness — The quality of being accursed.
- accusatorial — containing or implying blame or strong criticism
- accustrement — the process of equipping with accoutrements
- acepromazine — an orange-colored oil, C19H22N2OS, used as a tranquilizer, esp. to immobilize large animals, and to relieve nausea
- acetic ether — a colorless, volatile, flammable liquid, C 4 H 8 O 2 , having a fragrant, fruitlike odor: used chiefly as a scent in the manufacture of perfumes, flavorings, and confections, and as a solvent for paints, varnishes, and lacquers.
- acetonitrile — a colourless organic chemical, CH3CN, used chiefly as a solvent
- acetostearin — a waxlike, nongreasy solid, C 23 H 44 O 5 : used chiefly as a food preservative and as a plasticizer.
- acetyl group — the univalent group, CH 3 CO–, derived from acetic acid.
- achlorhydria — the absence of free hydrochloric acid in the gastric juice
- achlorhydric — relating to a lack of gastric hydrochloric acid
- achromatopia — Defective ability to see colours.
- achromatopsy — Color blindness; inability to distinguish colors; daltonism, achromatopia.
- acid radical — the remainder of an acid molecule after acidic hydrogen has been removed.
- acid-forming — (of an oxide or element) yielding an acid when dissolved in water or having an oxide that forms an acid in water; acidic
- acknowledger — to admit to be real or true; recognize the existence, truth, or fact of: to acknowledge one's mistakes.
- acne rosacea — rosacea.
- acorn squash — a kind of winter squash, acorn-shaped with ridged, dark-green skin and sweet, yellow flesh
- acoustimeter — a portable electronic device for measuring noise levels, especially those of traffic.
- acquirements — Plural form of acquirement.
- acrocyanosis — cyanosis of the hands and feet due to poor circulation of the blood
- acrophonetic — relating to the use of symbols to represent sounds
- acrostically — In the manner of an acrostic.
- acrylic acid — a colourless corrosive pungent liquid, miscible with water, used in the manufacture of acrylic resins. Formula: CH2:CHCOOH
- actinic rays — light rays, esp. the violet and ultraviolet parts of the spectrum, that produce chemical changes, as in photography
- actinometers — Plural form of actinometer.
- actinometric — Of or pertaining to actinometry.