12-letter words containing o, n, d
- ground plane — (in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
- ground plate — Electricity. a metal plate for making a ground connection to the earth.
- ground robin — towhee.
- ground rules — Usually, ground rules. basic or governing principles of conduct in any situation or field of endeavor: the ground rules of press conferences.
- ground shark — any of various requiem sharks, especially of the genus Carcharhinus.
- ground sloth — any of various extinct large, edentate mammals from the Pleistocene Epoch of North and South America resembling modern sloths but living on the ground rather than in trees.
- ground staff — The people who are paid to maintain a sports ground are called the ground staff.
- ground state — the state of least energy of a particle, as an atom, or of a system of particles.
- ground track — the path on the earth's surface below an aircraft, missile, rocket, or spacecraft.
- ground water — the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells.
- groundbursts — Plural form of groundburst.
- groundedness — the solid surface of the earth; firm or dry land: to fall to the ground.
- groundkeeper — groundskeeper.
- groundlessly — In a groundless manner; without justification.
- groundsheets — Plural form of groundsheet.
- groundstroke — A stroke played after the ball has bounced, as opposed to a volley.
- groundworker — One who works on the ground, as opposed to an aviator, etc.
- gulf of aden — a waterway in the Arabian sea between Yemen and Somalia and connecting with the Red Sea
- gynodioecism — the condition of having flowers that are only female in one example of a plant and flowers that have stamens and pistils in another example of a plant of the same species
- hadrosaurine — Hadrosaurid.
- haemodynamic — Alternative spelling of hemodynamic.
- haemosiderin — Alternative form of hemosiderin.
- halcyon days — period regarded with nostalgia
- half a dozen — six
- half-drowned — to die under water or other liquid of suffocation.
- hamming code — (algorithm) Extra, redundant bits added to stored or transmitted data for the purposes of error detection and correction. Named after the mathematician Richard Hamming, Hamming codes greatly improve the reliability of data, e.g. from distant space probes, where it is impractical, because of the long transmission delay, to correct errors by requesting retransmission.
- hand of writ — handwriting; penmanship.
- hand to hand — of, belonging to, using, or used by the hand.
- hand-holding — the act of holding hands, especially as a sign or token of affection.
- hand-me-down — an article of clothing passed on to another person after being used, outgrown, etc.: The younger children wore the hand-me-downs of the older ones.
- hand-to-hand — close to one's adversary; at close quarters: hand-to-hand combat.
- handsomeness — The quality of being handsome.
- handypersons — Plural form of handyperson.
- hard done by — If you feel hard done by, you feel that you have not been treated fairly.
- hard-working — industrious; zealous: a hardworking family man.
- 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
- harrison red — a pigment consisting of a paratoluidine toner, characterized by its brilliant red color and tendency to bleed.
- have need to — to be compelled or required to; must
- head station — the main buildings on a large sheep or cattle farm
- headlongness — Headlong quality or speed; precipitateness.
- headstrongly — In a headstrong manner.
- hebetudinous — the state of being dull; lethargy.
- hedgehopping — Present participle of hedgehop.
- heel-and-toe — noting a pace, as in walking contests, in which the heel of the front foot touches ground before the toes of the rear one leave it.
- heldentenors — Plural form of heldentenor.
- hemodilution — a decreased concentration of cells and solids in blood, usually caused by an influx of fluid.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- henceforward — from now on; from this point forward.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- henry howard — Earl of (Henry Howard) 1517?–47, English poet.