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n. Abbr. ng
One billionth (10-9) of a gram.
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.


(ˈnænəʊˌɡræm) or


(Units) one billionth (10–9) of a gram. Symbol: ng
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nanogram - one billionth (1/1,000,000,000) gram
metric weight unit, weight unit - a decimal unit of weight based on the gram
mcg, microgram - one millionth (1/1,000,000) gram
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
NanoGram Si paste was developed by NanoGram Corporation, a Teijin company specializing in designing novel nanomaterial technologies.
Students in kindergarten through Grade 2 and Grades 6 through 8 will remain at the Thomas Prince School, using only the newer part of the building until testing indicates that PCB levels are sufficiently below the 300 nanograms per cubic meter recommended level.
The TDA will focus on extending NanoGram's printed silicon ink technology for use with Teijin's flexible substrates.
This year's competition was held as a demonstration event with plans for it to become the Nanogram League in 2008, according to NIST.
The new directives stipulate that the density of dioxin from large incinerators with the daily capacity to burn 200 kilograms or more in garbage and industrial waste must not eclipse 1 nanogram per cubic meter of an incinerator's exhaust gas.
Both scanners can detect the presence of drugs in nanogram amounts; however, sometimes that may be too sensitive.
The system, which involves use of catalysts that help burn waste completely, will cut dioxin emissions from incinerators below the government's planned emission target of 1 nanogram per square meter from a large facility.
Even though the new incinerators will be required by law to limit dioxin contained in exhaust gas to 0.1 nanogram per cubic meter -- far less than the 80 nanograms set for existing facilities -- local residents fear their health will be affected by other toxic substances such as lead, mercury and cadmium that will be emitted from such plants.
Several other rooms had PCB levels approaching the 300 nanogram per cubic meter limit, and would have been acceptable to occupy, but Mr.
The average concentration of PBDEs in blood from dogs was about two nanograms per gram; in dog food samples, about one nanogram per gram.
NanoGram Corporation today announced that it has closed on a third equity round of $32 million to date to expand its solar technology and nanomaterials solutions businesses.