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Related to spacer: Spacer DNA


a. Mathematics A set of elements or points satisfying specified geometric postulates: non-Euclidean space.
b. The infinite extension of the three-dimensional region in which all matter exists.
a. The expanse in which the solar system, stars, and galaxies exist; the universe.
b. The region of this expanse beyond Earth's atmosphere.
a. An extent or expanse of a surface or three-dimensional area: Water covered a large space at the end of the valley.
b. A blank or empty area: the spaces between words.
c. An area provided for a particular purpose: a parking space.
4. Reserved or available accommodation on a public transportation vehicle.
a. A period or interval of time: within the space of a week.
b. A little while: Let's rest for a space.
6. Sufficient freedom from external pressure to develop or explore one's needs, interests, and individuality: "The need for personal space inevitably asserts itself" (Maggie Scarf).
7. Music One of the intervals between the lines of a staff.
8. Printing One of the blank pieces of type or other means used for separating words or characters.
9. One of the intervals during the telegraphic transmission of a message when the key is open or not in contact.
10. Blank sections in printed material or broadcast time available for use by advertisers.
v. spaced, spac·ing, spac·es
1. To organize or arrange with spaces between: Carefully space the words on the poster.
2. To separate or keep apart: The buildings are spaced far from each other.
3. Slang To stupefy or disorient. Often used with out: The antihistamine spaces me out so I can't think clearly.
v.intr. Slang
To be or become stupefied or disoriented. Often used with out: I was supposed to meet her, but I spaced out and forgot.

[Middle English, area, from Old French espace, from Latin spatium.]

spac′er n.
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.


1. a piece of material used to create or maintain a space between two things
2. (Computer Science) computing a keyed space in text or data; space character
3. (Astronautics) a person who travels in outer space
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


n (for metered-dose inhaler) cámara espaciadora
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Two sidewall structures were studied: one is a normal sidewall along the InP/InGaAs side, which is indicated as "spacer 1" and shown in Figure 1(b), and the other is a novel "recessed" sidewall along the InGaAs side only, aligned to the extended InP head, which is indicated as "spacer 2" and shown in Figure 1(c).
Search terms were "antibiotic elution" and "antibiotic release" in combination with "spacer", "hip spacer", and "knee spacer", respectively.
Smart Spacer consists of a purpose-designed TKR prosthesis with a smart innovative surface coating.
Morrow, Rudd, and Rhoads, based on minimal-pressure technique, recommend blocking out undercut areas with wax and then adapting a full wax spacer 2 mm short of the resin special tray border all over.
This piece of metal is used as a spacer between the side mount and the flat surface at the side of the receiver to hold the base flush with the gun stock.
After run-in period, based on computer generated random number tables, patients were randomized to receive MDI (Fluticasone 125 micrograms and salmeterol 25 micrograms) either with spacer or without spacer.
Since 2007 Edgetech has manufactured Super Spacer from its Coventry base and supports customers who manufacture 28,000 insulated glass units in the UK every day.
Our goal is to collaborate with the desalination community to share, bounce and test ideas, as we believe the next wave of innovation could come from the feed spacer," Soltero adds.
The National Institute for Health and Care Excellence (NICE) (2000) recommends that children under the age of five years with chronic stable asthma should use an MDI and spacer. There are no guidelines for viral wheezing.
A spacer textile consists of two layers of fabric connected by "spacer yarns," which give the finished product its desired thickness and corresponding cushioning properties.
Two devices have been developed to effectively deliver medication to the peripheral airways: nebulizers and MDIs with a holding chamber (spacer).
* Testing that determines exact shear strength, and test data that is used to design and machine a precision shear groove on the spacer.