| serotonin |
an organic compound found in human and animal tissue that constricts the blood vessels and raises the blood pressure, and that is an important neurotransmitter and hormone. |
| serous |
like, pertaining to, containing, or producing serum; thin and watery. |
| serous fluid |
any of various bodily fluids resembling blood serum. |
| serpent |
a snake. |
| serpentine1 |
having a twisting form or movement; snakelike. [2 definitions] |
| serpentine2 |
a usu. dark green mineral often used in buildings for decorative purposes. |
| serpigo |
a spreading eruption or disease of the skin, such as ringworm. |
| serrate |
having a notched or grooved edge; saw-toothed. [2 definitions] |
| serrated |
having notches or grooves in the edge, as a knife. |
| serration |
the condition of being serrated. [3 definitions] |
| serried |
crowded close together, esp. in rows. |
| serum |
the thin, watery fluid remaining when the solid components of blood have clotted. [3 definitions] |
| serum albumin |
the main protein found in blood plasma, serving to regulate osmotic pressure. [2 definitions] |
| serum globulin |
a protein component of blood serum chiefly containing antibodies. |
| serval |
a long-legged, spotted African wildcat, about the size of a bobcat. |
| servant |
one whose job is to work for another person or household, esp. one who does domestic chores, such as cooking and cleaning. [2 definitions] |
| servantless |
combined form of servant. |
| serve |
to give aid or help; be of use. [16 definitions] |
| serve one right |
to be something that one deserves, esp. some type of punishment or unhappy result. |
| server |
someone who serves. [4 definitions] |
| service |
the act or an instance of helping. [14 definitions] |