An anticipated expression of something that may or may not occur based on a reference.

Logical action that form groups of things or situations that share similarities.

The act of determining the magnitude of a characteristics of matter.

Transmission of a signal detectable by means of a code.

Measures weight.

A device or total for measuring the length of objects and for drawing straight lines.

is a flexible tool used for measuring length

A deep cup or glass with a wide mouth and usually a cup for pouring.

A device to tell time.

Thin glassed closed at one end and used specially in chemistry and biology.