[ sahy-uhns ]
/ ˈsaɪ əns /


Origin of science

1300–50; Middle English < Middle French < Latin scientia knowledge, equivalent to scient- (stem of sciēns), present participle of scīre to know + -ia -ia



science séance

Definition for science (2 of 2)

science dictionary

noun, plural science dictionaries.

a specialized dictionary covering terms in the life, earth, and physical sciences, such as the online Science Dictionary on A science dictionary includes many technical terms with precise, specialized meanings—terms not normally found in general dictionaries—making it an invaluable resource for students and professionals in scientific fields. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for science

British Dictionary definitions for science

/ (ˈsaɪəns) /


the systematic study of the nature and behaviour of the material and physical universe, based on observation, experiment, and measurement, and the formulation of laws to describe these facts in general terms
the knowledge so obtained or the practice of obtaining it
any particular branch of this knowledgethe pure and applied sciences
any body of knowledge organized in a systematic manner
skill or technique
archaic knowledge

Word Origin for science

C14: via Old French from Latin scientia knowledge, from scīre to know
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for science

[ sīəns ]


The observation, identification, description, experimental investigation, and theoretical explanation of phenomena.
Such activities restricted to explaining a limited class of natural phenomena.
Such activities applied to an object of inquiry or study.
Knowledge, especially that gained through experience.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for science

[ sīəns ]

The investigation of natural phenomena through observation, theoretical explanation, and experimentation, or the knowledge produced by such investigation.♦ Science makes use of the scientific method, which includes the careful observation of natural phenomena, the formulation of a hypothesis, the conducting of one or more experiments to test the hypothesis, and the drawing of a conclusion that confirms or modifies the hypothesis. See Note at hypothesis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.