12-letter words containing r, h, d, i
- hadrosaurine — Hadrosaurid.
- haemorrhoids — Plural form of haemorrhoid.
- haemosiderin — Alternative form of hemosiderin.
- hairdressers — Plural form of hairdresser.
- hairdressing — the act or process of cutting, combing out, doing up, or styling hair.
- hairpin bend — A hairpin bend or a hairpin is a very sharp bend in a road, where the road turns back in the opposite direction.
- hairsbreadth — a very small space or distance: We escaped an accident by a hairsbreadth.
- hammer drill — a rock drill operated by compressed air in which the boring bit is not attached to the reciprocating piston
- hand of writ — handwriting; penmanship.
- hand-deliver — to deliver in person or by messenger.
- hand-printed — (of numbers, letters, or designs) printed, or put on a surface, by hand rather than by machine
- hand-running — in unbroken succession; consecutively.
- hand-written — to write (something) by hand.
- handcrafting — Present participle of handcraft.
- handicappers — Plural form of handicapper.
- handicrafter — One who engages in handicrafts.
- handkerchief — a small piece of linen, silk, or other fabric, usually square, and used especially for wiping one's nose, eyes, face, etc., or for decorative purposes.
- handwringing — a physical expression of concern, distress, or guilt.
- hard feeling — resentment; ill will
- hard landing — Aeronautics. an uncontrolled or rough landing by an aircraft or spacecraft, usually resulting in damage.
- hard linking — hard link
- hard science — any of the natural or physical sciences, as chemistry, biology, physics, or astronomy, in which aspects of the universe are investigated by means of hypotheses and experiments.
- hard-hitting — striking or capable of striking with force.
- hard-wearing — resistant to extensive wear; durable: a pair of hardwearing jeans.
- hard-working — industrious; zealous: a hardworking family man.
- hardinggrass — a perennial grass of the genus Phalaris, found in South Africa, Australia, and in North America where it is used as an animal foodstuff
- hardstanding — a hard surface on which cars, aircraft etc. may stand
- hare-brained — giddy; reckless.
- harlequinade — a pantomime, farce, or similar play in which Harlequin plays the principal part.
- harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
- harpsichords — Plural form of harpsichord.
- harris tweed — a hand-woven tweed made only by residents in the Outer Hebrides from locally dyed and spun wool
- harrison red — a pigment consisting of a paratoluidine toner, characterized by its brilliant red color and tendency to bleed.
- hazard light — Usually, hazard lights. an indicator light on a vehicle that flashes to warn that it is unexpectedly slowing down, reversing, or not moving.
- headkerchief — A kerchief worn on the head.
- headmistress — a woman in charge of a private school.
- headshrinker — shrink (def 9).
- health drink — a drink that claims to be beneficial to health
- heartrending — causing or expressing intense grief, anguish, or distress.
- hedenbergite — a contact metamorphic mineral of the pyroxene family, calcium ferrous silicate, CaFe(SiO 3) 2 , that forms black prismatic crystals in crystalline limestone.
- hedge garlic — an erect, cruciferous herb, Sisymbrium officinale, having a garlicky odor.
- helicoptered — Simple past tense and past participle of helicopter.
- heliographed — Simple past tense and past participle of heliograph.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hemihydrates — Plural form of hemihydrate.
- hemispheroid — half of a spheroid.
- hemodialyzer — artificial kidney.
- hemorrhoidal — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
- hepadnavirus — Any member of the virus family Hepadnaviridae, capable of causing liver infections in humans and animals.
- heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.