| stroke oar |
the oar that is located nearest the stern of a racing shell. [2 definitions] |
| stroll |
to walk slowly and without a definite goal or purpose, as for exercise or pleasure. [3 definitions] |
| stroller |
one that takes a leisurely walk. [2 definitions] |
| stroma |
in anatomy, the supportive framework of an organ, typically consisting of connective tissue. [3 definitions] |
| stromal |
of or pertaining to stroma. |
| stromatolite |
a laminated rock with accumulated layers of prokaryotic bacteria, algae, and sediment found in shallow marine environments, contains the oldest fossils known today. |
| strong |
having or showing great physical power or strength. [13 definitions] |
| strong-arm |
using or threatening to use physical force or coercion. [2 definitions] |
| strongbox |
a box or container, usu. of steel, in which valuables can be kept and locked; safe. |
| stronghold |
a strongly fortified or defended place; fortress. [2 definitions] |
| strong interaction |
the strong force between subnuclear particles, operative in nuclear forces. (Cf. weak interaction.) |
| strongly |
with great certainty or passion. |
| strong-minded |
having a strong, determined mind or will; resolute. |
| strong-willed |
having a strong will; resolute; determined. [2 definitions] |
| strontium |
a highly reactive chemical element of the alkaline-earth group that has thirty-eight protons in each nucleus, that occurs naturally only in compounds, and that has highly toxic radioactive isotopes that are by-products of some types of nuclear fission reactions. (symbol: Sr) |
| strop |
a pliable strip, usu. of leather, on which a razor is sharpened. [2 definitions] |
| strophe |
the movement from right to left of the chorus in classical Greek drama, or the part of the choral ode sung during this movement. (Cf. antistrophe.) [2 definitions] |
| strove |
past tense of strive. |
| struck |
past tense and past participle of strike. [2 definitions] |
| structural |
of or pertaining to construction or structures. [2 definitions] |
| structural formula |
a diagram that represents the chemical structure of a substance, showing both its composition and the order of the bonds that connect its atoms. |