(Internet) A technique used by some web browsers to maintain backward compatibility with older web pages that do not comply with modern standards. When such a page is detected, it is rendered in the older, non-standard way.

(attributive) brightness mode: a common kind of two-dimensional ultrasound image / (attributive) A divergence-free, curl-only polarization signal in the cosmic microwave background radiation.

plural of B-mode

(slang, sports, video games) A high level of performance.

plural of normal mode

A mode of an oscillating system in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation. The motion described by the normal modes is called resonance.

plural of subjunctive mode

(grammar) The subjunctive mood.

plural of conjunctive mode

(grammar) The subjunctive mood.