12-letter words containing t, d, i
- audio system — integrated equipment for producing amplified sound, as in a hi-fi or a mobile disco, or as a public-address system on stage
- audiologists — Plural form of audiologist.
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- austenitized — to form austenite in (a ferrous alloy) by heating.
- autoantibody — an antibody reacting with an antigen that is a part of the organism in which the antibody is formed
- autodiallers — Plural form of autodialler.
- autodidactic — a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
- autoxidation — oxidation by exposure to atmospheric oxygen
- avoidability — The possibility of avoiding; the state or condition of being avoidable.
- bacteria bed — a layer of sand or gravel used to expose sewage effluent, in its final stages, to air and the action of microorganisms
- bactericidal — any substance capable of killing bacteria.
- bactericides — Plural form of bactericide.
- bacteriocide — Alternative form of bactericide.
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- bastard file — a file of the commercial grade of coarseness between coarse and second-cut.
- bastard wing — a tuft of feathers attached to the first digit of a bird, distinct from the wing feathers attached to the other digits and the ulna
- bastardizing — Present participle of bastardize.
- bastille day — (in France) an annual holiday on July 14, commemorating the fall of the Bastille
- bastinadoing — Present participle of bastinado.
- battery acid — acid used in batteries, esp car batteries
- battlefields — Plural form of battlefield.
- be done with — to end relations with
- beetle drive — a social occasion at which a progressive series of games of beetle is played
- benedict iii — died a.d. 858, pope 855–58.
- benedict vii — died a.d. 983, pope 974–83.
- benedict xii — (Jacques Fournier) died 1342, French ecclesiastic: pope 1334–42.
- benedict xiv — (Prospero Lambertini) 1675–1758, Italian ecclesiastic: pope 1740–58; scholar and patron of the arts.
- benedict xvi — original name Joseph Alois Ratzinger. born 1927 in Germany, pope (2005–2013): the first pope to resign since Gregory XII in 1415: on retirement he was accorded the title pope emeritus
- beneficiated — to treat (ore) to make more suitable for smelting.
- beth midrash — a place where Jews gather to study the Talmud and other religious writings; a small synagogue.
- bewilderment — Bewilderment is the feeling of being bewildered.
- bidialectism — proficient in or using two dialects of the same language.
- bien entendu — certainly; to be sure
- binary digit — either of the two digits 0 or 1, used in binary notation
- binder twine — a strong, coarse twine, as of sisal, used especially in binding sheaves of grain and bales of hay.
- binding post — one of several metal pegs or rods, fitted into a loose-leaf binder, for holding sheets with prepunched holes.
- bindle stiff — a hobo.
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- biopesticide — a naturally occurring or derived substance or an organism that controls pests by nontoxic means
- bird nesting — the activity of searching for birds' nests as a hobby
- bird watcher — a person who identifies and observes birds in their natural habitat as a recreation.
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- bird-s--nest — nest (def 1).
- bird-spotter — a bird-watcher
- bird-watcher — A bird-watcher is a person whose hobby is watching and studying wild birds in their natural surroundings.
- birth defect — an inherited disease or condition that a baby is born with
- birthday boy — the boy or man whose birthday is being celebrated
- bit diddling — bit bashing
- biting midge — any small fragile dipterous fly of the family Ceratopogonidae, most of which suck the blood of mammals, birds, or other insects