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.

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.

A species of scale insect in the genus (Pulvinaria) which does great damage to cotton plants.

A temperature scale on which 0 °C is 0 and 100 °C is 80. / (historical) A temperature scale on which water freezes at 0 and the alcohol mixture expands by 8% and boils at 80.

Any tree of the extinct genus Lepidodendron.

Alternative spelling of megascale