12-letter words containing a, d, h, n
- 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 baggage — the suitcases, bags, etc, that you take with you onto an aeroplane when you travel, as opposed to those bags that are put in the aeroplane's hold
- hand grenade — a grenade or explosive shell that is thrown by hand and exploded either by impact or by means of a fuze.
- hand in hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- hand leather — a piece of leather wrapped around the hand of a shoemaker in order to protect it from being cut while pulling thread
- hand luggage — carry-on baggage
- hand of writ — handwriting; penmanship.
- hand setting — Also called French telephone. a telephone having a mouthpiece and earpiece mounted at opposite ends of a handle.
- hand to hand — of, belonging to, using, or used by the hand.
- hand-deliver — to deliver in person or by messenger.
- hand-grenade — a grenade or explosive shell that is thrown by hand and exploded either by impact or by means of a fuze.
- hand-holding — the act of holding hands, especially as a sign or token of affection.
- hand-launder — hand-wash.
- 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-painted — painted by a person rather than a machine
- hand-picking — to pick by hand.
- 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-selling — a gift or token for good luck or as an expression of good wishes, as at the beginning of the new year or when entering upon a new situation or enterprise.
- hand-to-hand — close to one's adversary; at close quarters: hand-to-hand combat.
- hand-written — to write (something) by hand.
- handbreadths — Plural form of handbreadth.
- handclapping — The activity of clapping hands, especially as part of a musical performance.
- handcrafting — Present participle of handcraft.
- handcraftman — handicraftsman.
- handicapable — (politically correct) disabled or handicapped.
- handicappeds — Plural form of handicapped.
- handicappers — Plural form of handicapper.
- handicapping — Present participle of handicap.
- handicrafter — One who engages in handicrafts.
- handies peak — a peak in SW Colorado, in the San Juan Mountains. 14,048 feet (4285 meters).
- 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.
- handsbreadth — A small distance.
- handsomeness — The quality of being handsome.
- handstitched — Stitched by hand.
- handwringing — a physical expression of concern, distress, or guilt.
- handypersons — Plural form of handyperson.
- hang gliding — the sport of launching oneself from a cliff or a steep incline and soaring through the air by means of a hang glider.
- hang-gliding — Hang-gliding is the activity of flying in a hang-glider.
- hard done by — If you feel hard done by, you feel that you have not been treated fairly.
- 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
- hardy annual — a plant that can withstand freezing temperatures and which completes its life cycle within a year