The two are distinguished by the terms long hundredweight and short hundredweight: âThe long hundredweight is defined as 112 lb, which is equal to 50.802345 kg. This is the definition used in the imperial system.âThe short hundredweight is defined as 100 lb, which is equal to 45.359237 kg.iktionary (0.00 / 0 votes) Rate this definition: hundredweight (Noun). A measure of weight containing 100 pounds (45.5 kg) in the U.S. or 112 pounds (51 kg) in the United Kingdom.
In histology, a lacuna is a small space containing an osteocyte in bone or chondrocyte in cartilage.n an ordinary microscopic section, viewed by transmitted light, they appear as fusiform opaque spots. Each lacuna is occupied during life by a branched cell, termed an osteocyte, bone-cell or bone-corpuscle.
1 Phytoplankton: photosynthetic plankton that are usually microscopic and are also called âalgae... 2  more. 3  Zooplankton: small, sometimes microscopic animals that live in water and feed on phytoplankton (algae), other zooplankton, or detritus (dead material)...