(construction) The time required for the loss of volatile components so that the material will no longer be adversely affected by weather conditions such as dew, rain or freezing.

plural of waste of time

(informal) Something that consumes a great deal of time, usually with little benefit; a waste of time.

(physics) The direction of time within a four-dimensional relativistic view of the cosmos. / (philosophy) The subjective feeling of movement from past to future. / Entropy.

Time for which one is being compensated by one's employer, and for which the employer is therefore responsible for the welfare of the employee, and the employee is expected to refrain from engaging in personal interests.

plural of time scale

(historical) The limit on the amount of airplay of recorded music in any given 24-hour period.

Alternative spelling of flexitime

plural of time zone

prior to the expected time; early.