Alternative spelling of sightread

(computing, cryptography) Of a security certificate: signed by the same entity whose identity it certifies; signed with its own private key.

Alternative spelling of virtue signaller

(medicine) A way to detect irritated nerves, by percussing over the nerve to elicit a tingling sensation.

(US, slang, dated) doughnuts

(idiomatic) very easy to see or notice especially when it is supposed to be hidden

an instance of sharing or disseminating another's information or material with one's own audience / (engineering) an increase in the capacity, strength, or range of a signal

to share or disseminate another's information or material with one's own audience

(paleontology) The principle that due to the incompleteness of the fossil record, the earliest and latest known occurrences of a taxon will almost never represent the ages of the actual earliest and latest organisms belonging to it.

Having keen vision. / Keenly perceptive.