| sinless |
being without or free from sin; innocent. |
| sinner |
a person who sins or does wrong. |
| Sinn Fein |
a militant nationalist organization founded in Ireland about 1905 to promote political and economic independence, and now promoting the unification of Ireland. |
| Sino- |
Chinese. |
| Sinology |
the study of Chinese language, culture, history, and the like. |
| Sino-Tibetan |
a family of languages that are spoken in central and southeastern Asia, including Tibetan, Burmese, and others. |
| sinsemilla |
a powerful type of marijuana produced from seedless female hemp plants. |
| sinuate |
bending or winding in and out; sinuous. [3 definitions] |
| sinuous |
with many curves or turns; winding. [3 definitions] |
| sinus |
any of various bodily cavities, recesses, or channels, esp. those in the skull bone that connect with the nasal cavities. [2 definitions] |
| sinusitis |
inflammation of the nasal sinus linings. |
| sinusoidal |
of or relating to a sine wave. |
| sinusoidal projection |
an equal-area map projection of the entire earth in which all lines of latitude are shown as straight lines and all lines of longitude as curved. |
| -sion |
act or process, or result of (such) an act or process. [2 definitions] |
| Sion |
variant of Zion. |
| Siouan |
a family of North American Indian languages of central and eastern North America. [3 definitions] |
| Sioux |
a member of a group of American Indian peoples of the northern plains of the United States and of southern Canada, esp. the Dakota. [2 definitions] |
| sip |
to drink slowly and a little at a time. [3 definitions] |
| siphon |
a tube or pipe used to suck a liquid over the top of its container and into a lower one by means of air pressure. [3 definitions] |
| siphon bottle |
a sealed bottle having a tube through the neck that is connected at the top with a valve that controls the flow of the pressurized carbonated water in the bottle. |
| siphonophore |
any of various transparent or colored marine hydrozoans, including the Portuguese man-of-war. |