of or pertaining to health or the conditions affecting health, especially with reference to cleanliness, precautions against disease, etc.
favorable to health; free from dirt, bacteria, etc.: a sanitary washroom.
providing healthy cleanliness: a sanitary wrapper on all sandwiches.

1835–45; < Latin sānit(ās) health (see sanity) + -ary

sanitarily, adverb
sanitariness, noun
presanitary, adjective

1, 2. clean, germ-free, unpolluted, antiseptic. Sanitary, hygienic agree in being concerned with health. Sanitary refers more especially to conditions affecting health or measures for guarding against infection or disease: to insure sanitary conditions in preparing food. Hygienic is applied to whatever concerns the care of the body and the promotion of health: to live in hygienic surroundings with plenty of fresh air. 2. healthy, salutary.

1, 2. unclean, unwholesome; unhealthy, polluted, septic. Unabridged


a system for communication by telegraph, heliograph, etc., in which long and short sounds, light flashes, etc., are used to symbolize the content of a message: Morse code.
a system used for brevity or secrecy of communication, in which arbitrarily chosen words, letters, or symbols are assigned definite meanings.
any set of standards set forth and enforced by a local government agency for the protection of public safety, health, etc., as in the structural safety of buildings (building code) health requirements for plumbing, ventilation, etc. (sanitary or health code) and the specifications for fire escapes or exits (fire code)
a systematically arranged collection or compendium of laws, rules, or regulations.
any authoritative, general, systematic, and written statement of the legal rules and principles applicable in a given legal order to one or more broad areas of life.
a word, letter, number, or other symbol used in a code system to mark, represent, or identify something: The code on the label shows the date of manufacture.
Computers. the symbolic arrangement of statements or instructions in a computer program in which letters, digits, etc. are represented as binary numbers; the set of instructions in such a program: That program took 3000 lines of code. Compare ASCII, object code, source code.
any system or collection of rules and regulations: a gentleman's code of behavior.
Medicine/Medical. a directive or alert to a hospital team assigned to emergency resuscitation of patients.
Genetics. genetic code.
the system of rules shared by the participants in an act of communication, making possible the transmission and interpretation of messages.
(in sociolinguistic theory) one of two distinct styles of language use that differ in degree of explicitness and are sometimes thought to be correlated with differences in social class. Compare elaborated code, restricted code.
verb (used with object), coded, coding.
to translate (a message) into a code; encode.
to arrange or enter (laws or statutes) in a code.
Computers. to translate (a program) into language that can be communicated to the computer.
verb (used without object), coded, coding.
Genetics. to specify the amino acid sequence of a protein by the sequence of nucleotides comprising the gene for that protein: a gene that codes for the production of insulin.

1275–1325; Middle English < Anglo-French, Old French < Latin cōdex codex

coder, noun
codeless, adjective
precode, verb (used with object), precoded, precoding.
recode, verb (used with object), recoded, recoding.
subcode, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
code (kəʊd)
1.  See also genetic code a system of letters or symbols, and rules for their association by means of which information can be represented or communicated for reasons of secrecy, brevity, etc: binary code; Morse code
2.  a message in code
3.  a symbol used in a code
4.  a conventionalized set of principles, rules, or expectations: a code of behaviour
5.  a system of letters or digits used for identification or selection purposes
6.  to translate, transmit, or arrange into a code
[C14: from French, from Latin cōdex book, codex]

sanitary (ˈsænɪtərɪ, -trɪ)
1.  of or relating to health and measures for the protection of health
2.  conducive to or promoting health; free from dirt, germs, etc; hygienic
[C19: from French sanitaire, from Latin sānitās health]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1300, from O.Fr. code "system of laws," from L. codex, earlier caudex "book, book of laws," lit. "tree trunk," hence, wooden tablet for writing. The sense in "secret code" is 1808. Codify first attested c.1800.

1842, from Fr. sanitaire (1812), from L. sanitas "health," from sanus "healthy, sane." In ref. to menstrual pads, first attested 1881 (in sanitary towel). Sanitize first recorded 1836; metaphoric sense is from 1934.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

sanitary san·i·tar·y (sān'ĭ-těr'ē)

  1. Of or relating to health.

  2. Free from elements, such as filth or pathogens, that endanger health; hygienic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
code   (kōd)  Pronunciation Key 
  1. A system of signals used to represent letters or numbers in transmitting messages.

  2. The instructions in a computer program. Instructions written by a programmer in a programming language are often called source code. Instructions that have been converted into machine language that the computer understands are called machine code or executable code. See also programming language.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

code definition

A series of instructions designed to be fed into a computer.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage
Abbreviations & Acronyms
coherent digital exciter
Confederation of Dental Employers
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Restrooms and sanitary facilities shall be kept in a clean condition, in good
  repair, well lighted and adequately ventilated.
They each place high value on hygiene and maintaining a step above sanitary
Bring extra sick bags and sanitary wipes if you are suffering from morning
Some chains are merely booking agencies and do little to enforce sanitary
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