(business) Initialism of Exploration Consultants Limited. / (computing) Initialism of Embeddable Common Lisp.

(electronics) Initialism of emitter-coupled logic. / (chemistry) Initialism of enhanced chemiluminescence. / (chemistry) Initialism of electrochemiluminescence.

Selecting a mixture of what appears to be best of various doctrines, methods or styles. / Unrelated and unspecialized; heterogeneous.

Someone who selects according to the eclectic method.

(astronomy) An alignment of astronomical objects whereby one object comes between the observer (or notional observer) and another object, thus obscuring the latter.

(transitive) Of astronomical or atmospheric bodies, to cause an eclipse. / (transitive, figuratively) To overshadow; to be better or more noticeable than. / (Irish grammar) To undergo eclipsis.

Alternative spelling of éclat

Alternative spelling of éclair

(astronomy) The great circle on the celestial sphere that is the mean apparent path of the sun as viewed from the earth. / (astronomy) Also, the plane in which this great circle lies.

Relating to an eclipse or the ecliptic.