col·li·sion

(kə-lĭzh′ən)

1. An act of colliding; a crash.

2. A condition of opposition or conflict between two or more people or things: the collision between management and labor.

3. Physics A brief dynamic event consisting of the close approach of two or more particles, such as atoms, resulting in an abrupt change of momentum or exchange of energy.

[Middle English, from Late Latin collīsiō, collīsiōn-, from Latin collīsus, past participle of collīdere, to collide; see collide.]

col·li′sion·al adj.

col·li′sion·al·ly adv.

Synonyms: collision, crash¹, impact
These nouns denote violent forcible contact between two or more things: the midair collision of two planes; a crash involving two cars; a crater produced by the comet's impact.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

collisionally

(kəˈlɪʒənəlɪ)

adv

in the manner of a collision or collisions

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

References in periodicals archive

Cartridge-based helium damping gas for collisionally induced dissociation during tandem MS experiments is incorporated in the overall instrument design and delivered at 40 psi, whereas [N.sub.2] nebulizing gas was provided by a standalone gas canister or a small SCBA tank for field usage at a constant pressure of 100 psi.

Trace-Level Screening of Chemicals Related to Clandestine Desomorphine Production with Ambient Sampling, Portable Mass Spectrometry

Frantzeskakis, "Matter-wave solitons of collisionally inhomogeneous condensates," Physical Review A, vol.

Vector solitons of a coupled Schrodinger system with variable coefficients

Source conditions were as follows: Curtain Gas, 40; gas 1, 35; gas 2, 30; temperature, 600; collisionally activated dissociation gas, 12; ion spray voltage, 5500; and entrance potential, 10.

Quantification of serum IgG subclasses by use of subclass-specific tryptic peptides and liquid chromatography-tandem mass spectrometry

Post-translational modifications of integral membrane proteins resolved by top-down Fourier transform mass spectrometry with collisionally activated dissociation.

The 3D Modeling and Characterization of Wild Type and Mutated Plasmodium falciparum Cytochrome b: A Computational Approach

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.