(chemistry, biochemistry) A piece of laboratory equipment used to detect the changes that might occur in a microtiter plate.

Anyone who wishes to save the environment with an ambitious plan.

(analytical chemistry, chemistry) A flat plate with multiple "wells" used as small test tubes.

(astronomy) The surface (plane) that contains the orbit of a planet in a solar system.

(astronomy) The surface (plane) that contains an orbit.

As intended, as planned, as expected; without the occurrence of any complications.

An ancient form of storytelling and entertainment using opaque, often articulated figures in front of an illuminated backdrop to create the illusion of moving images. / A play of this form.

(computing) A software application for the playback of audio and video files. / (computing) A hardware device that performs the same function, often also acting as a data storage device.

(nautical) The navigation of waters free from hazards or unfavourable winds. / (nautical) Obsolete spelling of plane sailing

(by extension) simple, straightforward, or easy