Having an overall zero carbon footprint after carbon emissions trading has been taken into account.

(American football) A zone between the defensive line of scrimmage and the offensive line of scrimmage.

An artificial language, created by Waldemar Rosenberger in 1902, partially derived from Volapük, with a vocabulary consistently selected on the basis of the maximum internationality of the roots.

(physics) An exchange current which carries no electric charge and mediates certain types of electroweak interactions.

The state of being carbon neutral.

plural of neutral zone

plural of neutral vowel

Pertaining to a cooperative arrangement between airlines in which partners jointly plan and manage capacity, pricing, and inter-airline financial settlement, so that all participating airlines share equally in the profits.

(weightlifting, gymnastics) A grip that is neither supinated nor pronated, but with palms facing each other.

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