Sr. — synonyms, definition

1. sr. (Adjective)

elder older

sr. (Adjective) — Used of the older of two persons of the same name especially used to distinguish a father from his son. ex. "Bill Adams, Sr."

2. sr. (Noun)

atomic number 38 steradian strontium

sr. (Noun) — The unit of solid angle adopted under the Systeme International d'Unites.

sr. (Noun) — A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite.

angular unit metal metallic element strontium 90 celestite sphere strontianite