English Collins Dictionary - English synonyms & Thesaurus. 1 adj Something that is unique is the only one of its kind. Each person's signature is unique..., The area has its own unique language, Catalan. â¦ uniquely adv ADV group, ADV with v.
Solar flares are tremendous explosions on the surface of the Sun. In a matter of just a few minutes they heat material to many millions of degrees and release as much energy as a billion megatons of TNT.
flare verb (BURN BRIGHTLY) âº [ 1  I ] to burn brightly either for a short time or not regularly: âº [ 2  I ] also flare up When something bad such as violence, pain, or anger flares (up), it suddenly starts or gets much worse: âº [ 3  I or T ] to (cause to) become wider: âº [  C ] a sudden increase in the brightness of a fire: