- substitution by Shelby Mason
the act of putting one thing in the place of another, especially the chemical replacement of one...
- alpha by John Herrera
N. Symbol The first letter of the Greek alphabet.The first one in a series; the beginning.The...
- substituent by Nicholas Welch
a substitute; especially an atom, radical, or group substituted for another in a compound.of or...
- substituent by Dillon Manning
a substitute; especially an atom, radical, or group substituted for another in a compound.of or...
- gamma by Jake Burns
N. Symbol The third letter of the Greek alphabet.The third item in a series or system of...