ACID

acid

1. any substance that dissociates in water to yield a sour corrosive solution containing hydrogen ions, having a pH of less than 7, and turning litmus red

2. a slang name for LSD

3. Chem

a. of, derived from, or containing acid

b. being or having the properties of an acid

4. (of rain, snow, etc.) containing pollutant acids in solution

5. (of igneous rocks) having a silica content of more than 60% of the total and containing at least one tenth quartz

6. Metallurgy of or made by a process in which the furnace or converter is lined with an acid material

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

What does it mean when you dream about acid?

Can refer to something eating away at one’s insides. Alternatively, maybe an idea, a relationship, or a product is going through the “acid test.” Might also allude to an “acid tongue.”

The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.

acid

[′as·əd]

(chemistry)

Any of a class of chemical compounds whose aqueous solutions turn blue litmus paper red, react with and dissolve certain metals to form salts, and react with bases to form salts.

A compound capable of transferring a hydrogen ion in solution.

A substance that ionizes in solution to yield the positive ion of the solvent.

A molecule or ion that combines with another molecule or ion by forming a covalent bond with two electrons from the other species.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

ACID

(programming)

A mnemonic for the properties a transaction should have to satisfy the Object Management Group Transaction Service specifications. A transaction should be Atomic, its result should be Consistent, Isolated (independent of other transactions) and Durable (its effect should be permanent).

The Transaction Service specifications which part of the Object Services, an adjunct to the CORBA specifications.

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

ACID

(Atomic, Consistent, Isolated, Durable) The properties of a transaction in a well-designed database management system (DBMS). The transaction must be ATOMIC (all updating tasks must be completed or nothing is done), CONSISTENT (it cannot leave the database in a state that violates any integrity rules), ISOLATED (remain invisible to other operations until completed) and DURABLE (will complete or be reversed if the system fails in the interim).

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