tetr-

1. variant of tetra- before a vowel:

   tetryl.

Example Sentences

The number of stamens is indicated by the Greek numerals prefixed to the term androus; thus a flower with one stamen is monandrous, with two, three, four, five, six or many stamens, di-, tri-, tetr-, pent-, hex- or polyandrous, respectively.

From Project Gutenberg