GCA

noun

Elementary

1

Initialism of greatest common ancestor.

2

Initialism of ground-controlled approach.

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g G&A G&S G&T G&Ts g's g'ô G-2 G-20 G-d g.G.I.G.O.G.P.G.S.g/f g/fs g/l G/S g11n G20 G2B G2P G2Ps

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