9-letter words containing a, c, d, i
- arachnids — Plural form of arachnid.
- arachnoid — the middle of the three membranes that cover the brain and spinal cord
- archaized — Simple past tense and past participle of archaize.
- archdruid — a chief or principal druid
- archfiend — a chief fiend
- archibald — a masculine name: dim. Archie, Archy
- ascarides — any parasitic roundworm of the genus Ascaris, found in the human small intestine and causing colic and diarrhea.
- 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
- 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
- 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.
- 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.
- back dive — a dive in which the diver stands on the springboard with the back to the water and jumps up, arching backward to land either feetfirst facing the springboard or headfirst facing away from the springboard.
- back-wind — to divert wind against the lee side of (a sail) from another sail.
- backfield — the area behind the line of scrimmage from which the backfield begin each play
- backfired — Simple past tense and past participle of backfire.
- backsides — Plural form of backside.
- backslide — to lapse into bad habits or vices from a state of virtue, religious faith, etc
- bacteroid — resembling a bacterium
- balconied — That has a balcony attached.
- baldachin — a richly ornamented silk and gold brocade
- bandicoot — any agile terrestrial marsupial of the family Peramelidae of Australia and New Guinea. They have a long pointed muzzle and a long tail and feed mainly on small invertebrates
- bar ditch — a roadside borrow pit dug for drainage purposes.
- barcoding — The assignment of a barcode to a product and the printing of the barcode on the product.
- barmecide — lavish or plentiful in imagination only; illusory; sham
- barricade — A barricade is a line of vehicles or other objects placed across a road or open space to stop people getting past, for example during street fighting or as a protest.
- barricado — a barricade.
- basic dye — a dye soluble in acid and insoluble in basic solution, consisting mostly of amino or imino compounds of xanthene or triarylmethane: used mainly for inks, carbon paper, and typewriter ribbon.
- beachside — situated near a beach
- bed chair — an adjustable frame for assisting invalids to sit up in bed.
- bezoardic — relating to bezoar
- bicaudate — having two tails or taillike appendages.
- bifocaled — wearing bifocals
- bile acid — any of various steroid acids, produced in the liver and stored with bile, that emulsify fats during digestion.
- biradical — a molecule with two centres
- bird cage — metal enclosure for a bird
- bird call — a sound made by a bird.
- birdwatch — to watch birds
- bit decay — bit rot
- blackbird — A blackbird is a common European bird. The male has black feathers and a yellow beak, and the female has brown feathers.
- bodacious — If you say that someone or something is bodacious, you mean that they are very good or impressive.