7-letter words containing r, i, o
- difform — different or irregular in form; not uniform
- dihydro — (chemistry, especially in combination) Two hydrogen atoms in a molecule.
- dilator — Anatomy. a muscle that dilates some cavity of the body.
- dilutor — a device that dilutes something, such as a fitting on a garden hose or part of an industrial machine
- dimorph — either of the two forms assumed by a mineral or other chemical substance exhibiting dimorphism.
- dinitro — (organic chemistry) Two nitro groups in a chemical compound.
- diopter — Optics. a unit of measure of the refractive power of a lens, having the dimension of the reciprocal of length and a unit equal to the reciprocal of one meter. Abbreviation: D.
- dioptra — Alternative form of diopter.
- dioptre — Optics. a unit of measure of the refractive power of a lens, having the dimension of the reciprocal of length and a unit equal to the reciprocal of one meter. Abbreviation: D.
- diorama — a scene, often in miniature, reproduced in three dimensions by placing objects, figures, etc., in front of a painted background.
- diorism — definition; clarity
- diorite — a granular igneous rock consisting essentially of plagioclase feldspar and hornblende.
- dipolar — Physics, Electricity. a pair of electric point charges or magnetic poles of equal magnitude and opposite signs, separated by an infinitesimal distance.
- discoer — a person who attends discos
- discord — lack of concord or harmony between persons or things: marital discord.
- disform — (transitive, archaic) To deform or disfigure.
- dishorn — (transitive) To deprive of horns.
- disport — to divert or amuse (oneself).
- disrobe — Take off one's clothes.
- disroot — to uproot; dislodge.
- distort — to twist awry or out of shape; make crooked or deformed: Arthritis had distorted his fingers.
- divisor — a number by which another number, the dividend, is divided.
- divorce — a divorced man.
- do bird — Someone who is doing bird is in prison.
- dobrich — a city in NE Bulgaria.
- dollier — a person who operates a dolly
- dorkier — stupid, inept, or unfashionable.
- dorking — one of an English breed of chicken, having five toes on each foot instead of the usual four.
- dorkish — stupid or contemptible
- dormice — any small, furry-tailed, Old World rodent of the family Gliridae, resembling small squirrels in appearance and habits.
- dormier — (of a player or side in match play) being in the lead by as many holes as are still to be played.
- dornick — a small stone that is easy to throw.
- dortoir — (historical) A bedroom or dormitory, especially in a monastery.
- dossier — a collection or file of documents on the same subject, especially a complete file containing detailed information about a person or topic.
- dourine — an infectious disease of horses, affecting the genitals and hind legs, caused by a protozoan parasite, Trypanosoma equiperdum.
- dowdier — Comparative form of dowdy.
- downier — Comparative form of downy.
- dowries — Plural form of dowry.
- droichy — having the qualities of a dwarf; dwarfish
- droning — to make a dull, continued, low, monotonous sound; hum; buzz.
- dronish — Like a drone, slow, sluggish.
- drop in — Informal.. Also, dropper-in. a person who or thing that pays an unexpected or uninvited visit: a feeder for squirrels, raccoons, and other drop-ins.
- drop it — stop talking about it
- drop-in — a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule.
- droukit — drenched; soaked
- droving — Present participle of drove.
- druco i — Early system on IBM 650. Listed in CACM 2(5):16 (May 1959).
- durions — Plural form of durion.
- dvornik — a Russian doorkeeper, caretaker, or groundsman
- ebriose — inebriated