(mineralogy) A monoclinic-prismatic mineral containing boron, calcium, hydrogen, oxygen, and sodium.

plural of study buddy

plural of studdery

(obsolete) A stud, or collection of breeding horses and mares. / (obsolete) A place for keeping a stud of this kind.

A student who is participating in a student exchange scheme.

simple past tense and past participle of studder

Misspelling of stutter.

Misspelling of stutter.

plural of studder

Third-person singular simple present indicative form of studder