chirp. The real usage is derived from the walkie talkie feature on phones, but the meaning is broad and encompasses various facets of life. Scheming on girls/guys: Yea, I have been chirping at her for a while but she won't let me hit it.
Flammability is determined by the flash point of a material. Flash point is the minimum temperature at which a liquid forms a vapor above its surface in sufficient concentration that it can be ignited. Flammable liquids have a flash point of less than 100Â°F. Liquids with lower flash points ignite easier. Combustible liquids have a flashpoint at or above 100Â°F.
Vanishing point. A point on the eye-level line toward which parallel lines are made to recede and meet in perspective drawing. The single point in a picture where all parallel lines that run from the viewer to the horizon line, appear to come together.