| silhouette |
an outline or side view of a person's head that is filled with a dark, solid color. [3 definitions] |
| silicon |
a hard, dark gray substance that is a chemical element. It is found in silica, a compound that makes up one fourth of the earth's crust. Silicon is used in making glass, concrete, bricks, and computer chips. (symbol: Si) |
| silk |
a fine, soft, shiny fiber produced by certain insects. [4 definitions] |
| silkworm |
a caterpillar of a moth, originally from Asia. The caterpillar makes silk thread that it uses to spin its cocoon. People use the cocoons to make silk cloth. |
| silky |
of or like silk; smooth, delicate, or shiny. |
| sill |
a horizontal strip or block serving as the bottom of a window or door frame. |
| silly |
without good sense; foolish. [2 definitions] |
| silo |
a tall building that is used to store food for farm animals. Silos are often shaped like cylinders. [2 definitions] |
| silt |
fine particles of earth, clay, or sand that eventually settle out of water. |
| silver |
a shiny white metal that is soft and easy to shape. Silver is one of the chemical elements. It is used in making jewelry, coins, and table utensils. (symbol: Ag) [7 definitions] |
| silversmith |
a person who makes, plates, or fixes objects made of silver. |
| silverware |
knives, forks, and spoons. Silverware is used for eating and serving food. It can be made of or plated with silver or other metals. [2 definitions] |
| similar |
having resemblance or likeness. |
| similarity |
the state or quality of being similar; resemblance. [2 definitions] |
| simile |
a figure of speech in which two different things are compared by using the words "like" or "as." "March comes in like a lion and goes out like a lamb" is an example of a simile. |
| simmer |
to cook in a liquid that is kept near the boiling point. |
| simmer down |
to become calmer after some excitement. |
| simple |
easy to do or understand; not complicated. [3 definitions] |
| simple sentence |
a sentence that has only one clause. "We waited for the bus early in the morning" is an example of a simple sentence. |
| simplicity |
the condition or quality of being simple. [2 definitions] |
| simplify |
to make plainer, easier, or less complex. |