Mites Affecting Humans. âMiteâ is a term commonly used to refer to a group of insect-like organisms, some of which bite or cause irritation to humans. While some mites parasitize animals, including man, others are scavengers, some feed on plants, and many prey on insects and other arthropods.ites Affecting Humans. âMiteâ is a term commonly used to refer to a group of insect-like organisms, some of which bite or cause irritation to humans. While some mites parasitize animals, including man, others are scavengers, some feed on plants, and many prey on insects and other arthropods.
cog railway. n. A railway designed to operate on steep slopes and having a locomotive with a center cogwheel that engages with a cogged center rail to provide traction. Also called rack railway. cog railway. (ËkÉÉ¡ËweÉª) or.
A cog is a tooth of a gear or cogwheel or the gear itself. A cog engages with another cog and motion in one will result in motion of the other. Gearwheels that engage with chains are sprockets, not cogs.