Andrei Gromyko
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~ Soviet ambassador to the United States and to the United Nations (1909-1989)
Andrei Andreyevich Gromyko
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– Engelsk
~ Soviet ambassador to the United States and to the United Nations (1909-1989)
anchorage ground
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~ place for vessels to anchor
arrowleaf groundsel
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~ perennial with sharply toothed triangular leaves on leafy stems bearing a cluster of yellow flower heads; moist places in mountains of western North America
alkyl group
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~ any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
age group
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~ a group of people having approximately the same age
air group
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~ a unit of the United States Air Force larger than a squadron and smaller than a wing
alcohol group
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~ the chemical group -OH
aldehyde group
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~ the chemical group -CHO
amino group
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~ the radical -NH2
amphibole group
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~ a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
allyl group
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~ the univalent unsaturated organic radical C3H5; derived from propylene
animal group
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~ a group of animals
arsenic group
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~ the univalent group derived from arsine
azo group
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~ the bivalent group -N=N- united to two hydrocarbon groups
azido group
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~ the univalent group N3- derived from hydrazoic acid
acyl group
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~ any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
Adapid group
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~ extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins
acetyl group
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– Engelsk
~ the organic group of acetic acid (CH3CO-)