scintilla

A minute amount; an iota or trace.

A spark; a flash.

A spark; a glimmer; hence, the least particle; a trace; a tittle.

[capitalized] [NL.] In zoology:

A genus of bivalve mollusks.

A genus of lepidopterous insects.

A spark; the least particle; an iota; a tittle.

A small spark or flash.

A small or trace amount.

a tiny or scarcely detectable amount