A lexical entry is the entry in a dictionary with information/definition about a word.

Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences.

A sign in a southern Chinese temple tells visitors to keep quiet when a prayer session is in progress.

Proboscis (Latin proboscis, the latinisation of the Greek προβοσκίς (proboskis), which comes from πρό (pro) "forth, forward, before"[2] + βόσκω (bosko), "to feed, to nourish")is a tube for collecting nectar, drinking water or eating honey. The correct Greek plural is proboscides, but in English it is more common to ...

Homotherium is an extinct genus of machairodontine saber-toothed cats, often termed scimitar-toothed cats, that ranged from North America, South America, Eurasia, and Africa during the Pliocene and Pleistocene epochs (5 mya–10,000 years ago), existing for approximately 5 million years. It first became extinct in ...

Pheasants refer to several genera within the subfamily Phasianinae, of the family Phasianidae in the order Galliformes. Pheasants are characterised by strong sexual dimorphism, males being highly ornate with bright colours and adornments such as wattles and long tails. Males are usually larger than females and have ...

The subgranular zone (SGZ) is a brain region in the hippocampus where adult neurogenesis occurs. It is one of the two major sites of adult neurogenesis in the brain, along with the subventricular zone (SVZ). The subgranular zone is a narrow layer of cells located between the granule cell layer and hilus of the dentate ...

It is the wireless non-contact use of radio frequency elector-magnetic fields to transfer data, for the purpose of automatically identifying and tracking tags attached to objects.

Schrodinger's cat is a thought experiment about quantum physics. It was proposed by Erwin Schrodinger. A cat is placed in a room that is shielded from the environment. A Geiger counter and a little bit of a radioactive element are in the room. Within some time, say one hour, one of the atoms of the radioactive element ...