Matching Words
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Atomic Number 7
- noun - a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
- Nitrogen - a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
Atomic Number 8
- noun - a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth''s crust
- Oxygen - a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
Atomic Number 9
- noun - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
- Fluorine - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
Atomic Spectrum
- noun - (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element
Atrociousnesses
- noun - the quality of being shockingly cruel and inhumane
Attack Aircraft
- noun - a high-speed military or naval airplane designed to destroy enemy aircraft in the air
Attainabilities
- noun - the state of being achievable
Attentivenesses
- noun - paying particular notice (as to children or helpless people); "his attentiveness to her wishes"; "he spends without heed to the consequences"
- the trait of being considerate and thoughtful of others
- the trait of being observant and paying attention
Audaciousnesses
- noun - aggressive boldness or unmitigated effrontery; "he had the audacity to question my decision"
- fearless daring
Audio Amplifier
- noun - an amplifier that increases the amplitude of reproduced sound