Third-person singular simple present indicative form of leave no trace

To follow certain outdoor ethical guidelines while camping, etc., so thoroughly that it would appear as though one had never previously been there, for the sake of nature conservation.

present participle of leave no trace

simple past tense and past participle of leave no trace

(chiefly attributive) The automatic capture of the originating numbers of incoming calls to a particular telephone number.

plural of trace horse

present participle of contact-trace

Alternative form of contact tracing.

Alternative form of contact trace.

Third-person singular simple present indicative form of contact-trace