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hard

1. Chem (of water) impairing the formation of a lather by soap
2. (of alcoholic drink) being a spirit rather than a wine, beer, etc.
3. (of a drug such as heroin, morphine, or cocaine) highly addictive
4. Physics (of radiation, such as gamma rays and X-rays) having high energy and the ability to penetrate solids
5. Physics (of a vacuum) almost complete
6. Chiefly US (of goods) durable
7. politically extreme
8. Brit a roadway across a foreshore
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

hard

[härd]
(materials)
Quality of a material that is compact, solid, and difficult to deform.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The Medici, Michelangelo, and the Art of Late Renaissance Florence is the weighty hard-back catalogue accompanying the eponymous exhibition that traveled among Chicago, Detroit, and Florence in 2002.
A trio of Improve Your Fishing books - covering bait, lure and fly fishing - will be in the shops from May 15 at a cost of pounds 12.99 for each hard-back copy.
Consisting of five volumes and covering six topic areas: Native American Music, African American Music, British Isles Music, European American Music, Latino American Music and Asian American Music, this scholarly and professionally produced set of hard-back volumes is a deep source of sociologically related musical information about some of the peoples who have contributed to American culture.
We also have five copies of the new Cardiff Then and Now book by local historian Brian Lee, and a further five copies of Memories of Cardiff - another hard-back book packed with pictures, stories and anecdotes relating to Wales' capital city.
OKIDO is promoted as 'The Arts and Science Magazine for Kids', and the book does have the feel of a hard-back activity book, providing lots of stimulus for further enquiry; there are games, puzzles, things to make and do, scattered throughout the pages.
It is a solid hard-back, with simple, large, colourful drawings, repetition of the main theme--sharing--sharing of everything with a baby brother.
To celebrate 200 years since the birth of the author, Penguin have released this hard-back version of his revolutionary, and surprisingly readable, document of intent, with a natty new cover by artist Damon Hirst.
The hard-back edition of the sixth instalment of the schoolboy wizard's adventures, Harry Potter and the Half-Blood Prince, said swotty Hermione Granger had scooped 11 top results in her Ordinary Wizarding Levels (OWLs).
To buy a hard-back copy of the anthology, send a cheque for pounds 17.50 (which includes postage and packing) and marked "Rank" on the reverse to: The Arc Addington Foundation, Stoneleigh Park, Warwickshire CV8 2LZ.