9-letter words containing a, c, d
- announced — Simple past tense and past participle of announce.
- anteceded — Simple past tense and past participle of antecede.
- antecedes — Third-person singular simple present indicative form of antecede.
- antichild — Opposing children.
- anticodon — a three-base unit of genetic code contained in transfer RNA that corresponds to a codon region on messenger RNA, involved in genetic translation
- anzac day — 25 April, a public holiday in Australia and New Zealand commemorating the Anzac landing at Gallipoli in 1915
- aperiodic — not periodic; not occurring at regular intervals
- apodictic — that can clearly be shown or proved; absolutely certain or necessarily true
- appeached — Simple past tense and past participle of appeach.
- aqueducts — Plural form of aqueduct.
- aquiclude — any geological formation that absorbs and holds water but does not transmit it at a sufficient rate to supply springs, wells, etc.
- arachidic — of or derived from arachidic acid.
- arachnids — Plural form of arachnid.
- arachnoid — the middle of the three membranes that cover the brain and spinal cord
- arch head — a vertical, arc-shaped member fixed to the end of a walking beam, for supporting a chain from which a pump rod or the like is suspended in such a way as to let it rise and fall vertically.
- archaized — Simple past tense and past participle of archaize.
- archdruid — a chief or principal druid
- archducal — of or relating to an archduke, archduchess, or archduchy
- archduchy — the territory ruled by an archduke or archduchess
- archdukes — Plural form of archduke.
- archfiend — a chief fiend
- archibald — a masculine name: dim. Archie, Archy
- arcsecond — unit used in astronomy
- area code — The area code for a particular city or region is the series of numbers that you have to dial before someone's personal number if you are making a telephone call to that place from a different area.
- ascarides — any parasitic roundworm of the genus Ascaris, found in the human small intestine and causing colic and diarrhea.
- ascendant — proceeding upwards; rising
- ascendent — a position of dominance or controlling influence: possession of power, superiority, or preeminence: With his rivals in the ascendant, he soon lost his position.
- ascenders — Plural form of ascender.
- ascendeur — a metal grip that is threaded on a rope and can be alternately tightened and slackened as an aid to climbing the rope: used attached to slings for the feet and waist
- ascending — If a group of things is arranged in ascending order, each thing is bigger, greater, or more important than the thing before it.
- ascidians — Plural form of ascidian.
- ascidiate — of or relating to the tunicate molluscs of the genus Ascidium
- asclepiad — a plant that belongs to the class Asclepiadaceae
- astricted — Simple past tense and past participle of astrict.
- asyndetic — (of a catalogue or index) without cross references
- attack ad — a public notice, such as a printed display or a short film on television, in which a political party criticizes or abuses an opponent
- attracted — feeling a pleasing, alluring, or fascinating influence from someone or something
- auctioned — Also called public sale. a publicly held sale at which property or goods are sold to the highest bidder.
- audacious — Someone who is audacious takes risks in order to achieve something.
- audiences — the group of spectators at a public event; listeners or viewers collectively, as in attendance at a theater or concert: The audience was respectful of the speaker's opinion.
- audiencia — a high court, found in South America during the colonial period
- autocidal — (of insect pest control) effected by the introduction of sterile or genetically altered individuals into the wild population
- autocoder — (language) Possibly the first primitive compiler. AUTOCODER was written by Alick E. Glennie in 1952. It translated symbolic statements into machine language for the Manchester Mark I computer. Autocoding later came to be a generic term for assembly language programming.
- avocadoes — Alternative spelling of avocados Plural form of avocado.
- avoidance — Avoidance of someone or something is the act of avoiding them.
- ayurvedic — Ayurvedic medicine is a type of complementary medicine, originally from India, that uses herbs and other natural treatments.
- azedarach — the astringent bark of the chinaberry tree, formerly used as an emetic and cathartic
- azederach — Alternative spelling of azedarach.
- azoic dye — any of a group of brilliant, long-lasting azo dyes, formed on the fiber by coupling diazotized materials, used chiefly for printing on cotton.
- babyfaced — Alternative spelling of baby-faced.