Ravnjača, ravnomer, vodena vaga u kojoj se iznad tečnosti (etra), u jednoj blago savijenoj cevi nalazi mehur vazduha (služi za iznalaženje vodoravnog položaja); vaservaga;
Surveyor's angle-measuring compass instrument.
Sinonimi: spirit level
ETYM Old Eng. level, livel, Old Fren. livel, French niveau, from Latin libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Related to Librate, Libella.
1. Establishes the horizontal when a bubble is centered in a tube of liquid; SYN. spirit level.
2. Height above ground.
A lead weight attached to a line and used to indicate a vertical direction
1. A device that gauges the level by showing the surface of the water in a trough or U-shaped tube.
2. The level of the surface of a body of water.
Vilinski konjic, insekt lepe boje sa četiri mrežasta krilca.
Any of numerous insects of the order Odonata, including the damselfly. They all have long narrow bodies, two pairs of almost equal-sized, glassy wings with a network of veins; short, bristlelike antennae; powerful, “toothed” mouthparts; and very large compound eyes which may have up to 30,000 facets. They hunt other insects by sight, both as adults and as aquatic nymphs.
The largest species have a wingspan of 18 cm/7 in, but fossils related to dragonflies with wings up to 70 cm/2.3 ft across have been found.
Slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.; SYN. snake doctor, mosquito hawk, skeeter hawk. dragon-fly