ATOMIC; ATOMICAL a.
or the Doctrine of definite proportions (Chem.), teaches that chemical combinations take place between the supposed ultimate particles or atoms of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers. -- Atomic weight (Chem.), the weight of the atom of an el…
ATTAIN v.
To come or arrive, by motion, growth, bodily exertion, or efforts toward a place, object, state, etc.; to reach. If by any means they might attain to Phenice. Acts xxvii. 12. Nor nearer might the dogs attain. Sir W. Scott. To see your trees attain to the dignity of timber. Cowper. Few boroughs had as yet attained to po…