The inhalation of tobacco smoke by a non-smoker due to proximity to smokers.

plural of pseudo-passive

(grammar) A participle indicating an ongoing or completed action or state in the passive voice, where a noun modified by the participle is taken to represent the patient of the action denoted by the verb.

Making direct use of solar energy without first converting it to another form such as electricity.

Alternative spelling of pseudopassive

plural of passive matrix

A form of euthanasia where equipment or procedures used to sustain someone's life is halted.

plural of passive gravitational mass

(physics) The mass of an object measured via the gravitational force experienced by it in a known gravitational field

(grammar) A participle, prominent in some languages (e.g. Latin, Greek) but less common in English, describing something that happened to a noun (the subject) in the past.