A type of ruler used to make engineering drawings to scale

plural of scaled dove

Columbina squammata, a South American dove with coloured feather tips.

Any of the small parasitic insects of the superfamily Coccoidea, that live on plants and sap nutrients from them.

plural of scale insect

plural of scale model

A symmetric psychometric scale used in questionnaires, allowing respondents to specify their level of agreement or disagreement.

plural of Likert scale

The thin film that forms on the surface of wrought iron in the process of forging. It consists essentially of the magnetic oxide of iron.

A scale in which the platform hangs suspended from the weighing apparatus instead of resting upon it.