(meteorology) The altitude at which the temperature of the atmosphere is 0°C at a specific location

The depth of snow accumulated on the ground. / (meteorology, chiefly Western US) The altitude, in a mountainous region, above which precipitation falls as snow.

Of a building: built with rooms on levels separated by stairs of less than a full storey. / Anything else built on two levels.

A building of this kind.

Alternative spelling of split-level

Alternative spelling of split-level / A single level of a split-level house.

Simple enough to be appropriate to an inexperienced person, or to someone who does not need advanced features.

(ecology) A particular position occupied by a group of organisms in a food chain.

Any of several internationally agreed standard altitudes that are based on atmospheric pressure rather than on true height

The property of being level-headed.