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An insane, possibly dangerous person.

pi-pet′, n. a small tube for removing small portions of a fluid from one vessel to another. [Fr.]

James Cleveland Owens, more commonly known as Jesse Owens, was an American track and field athlete who is widely recognized as one of the greatest athletes in the history of sport. He was born on September 12, 1913, in Oakville, Alabama and passed away on March 31, 1980. Owens is best known for his remarkable performance in the 1936 Berlin Olympics, where he won four gold medals in the 100 meters, 200 meters, long jump, and 4 x 100 meter relay events, shattering multiple world records and defying Adolf Hitlers Aryan supremacy theory amidst the growing tensions of World War II. His accomplishments contributed significantly to the desegregation of American sports.

the characteristic colouration and patterning of an animal

A Nintendo 64 video game system.

a river that rises in Russia near Smolensk and flowing south through Belarus and Ukraine to empty into the Black Sea

A toilet, especially a public one.

Of a steam-engine, made of wrought iron, or copper-plates, which
being partly filled with water, and having fire applied to the outside,
generates steam to supply the engine.

Enantiomorphism is a concept in crystallography and chemistry that refers to the characteristic of certain crystals or molecules having a non-superimposable mirror image, similar to left and right hands. This property is associated with a lack of internal plane of symmetry or center of symmetry. In other words, enantiomorphism refers to the mirror-image relationship between two structures that are identical in every way except for being mirror images of each other, just like our left and right hands. These mirror-image pairs are called enantiomers or enantiomorphic pairs.

genre of art of unknown origin that reflects traditional values of a society

Hard wheat is a type of wheat that is high in protein and gluten content. It is typically used in products such as bread, pasta, and other baked goods that require a strong, elastic dough. The kernels of hard wheat are often more vitreous and less soft than those of soft wheat. Types of hard wheat include hard red winter, hard red spring, and hard white wheat.

wool not used before; wool not processed or woven before

a compact mass of hair that forms in the alimentary canal (especially in the stomach of animals as a result of licking fur)

wearing, or having the face adorned with, eyeglasses or an eyeglass

an executive in a business corporation

A pit viper is a type of venomous snake found primarily in the Americas but also in parts of Asia and Africa. They are characterized by a heat-sensing pit organ located between the eye and the nostril on both sides of the head. This organ helps them detect warm-blooded prey. Species of pit vipers include rattlesnakes, copperheads, and cottonmouths among others.

Exuvial refers to something that is related to exuviae, which are the remains of an exoskeleton or skin that has been shed by an animal, typically an arthropod or reptile. In broader symbolism, it can also refer to the process of shedding or discarding old, restrictive structures or attitudes.

In the field of entomology, for example, exuvial fluid is the liquid that hardens to form the new exoskeleton in insects after moulting.

The adjective form is most commonly used in scientific contexts.

Isopoda is an order of crustaceans that includes woodlice and their relatives. Isopods live in the sea, in fresh water, or on land. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration. Females brood their young in a pouch under their thorax.
Isopods have various feeding methods: some eat dead or decaying plant and animal matter, others are grazers, or filter feeders, a few are predators, and some are internal or external parasites, mostly of fish. Aquatic species mostly live on the seabed or bottom of freshwater bodies of water, but some taxa can swim for a short distance. Terrestrial forms move around by crawling and tend to be found in cool, moist places. Some species are able to roll themselves into a ball as a defense mechanism or to conserve moisture.
There are over 10,000 identified species of isopod worldwide, with around 4,500 species found in marine environments, mostly on the seabed, 500 species in fresh water, and another 5,000 species on land. The order is divided into eleven suborders. The fossil record of isopods dates back to the Carboniferous period (in the Pennsylvanian epoch), at least 300 million years ago, when isopods lived in shallow seas. The name Isopoda is derived from the Greek roots iso- (from ἴσος ísos, meaning equal) and -pod (from ποδ-, the stem of πούς poús, meaning foot).

In Euclidean geometry, uniform scaling is a linear transformation that enlarges or shrinks objects by a scale factor that is the same in all directions. The result of uniform scaling is similar to the original. A scale factor of 1 is normally allowed, so that congruent shapes are also classed as similar. Uniform scaling happens, for example, when enlarging or reducing a photograph, or when creating a scale model of a building, car, airplane, etc.
More general is scaling with a separate scale factor for each axis direction. Non-uniform scaling is obtained when at least one of the scaling factors is different from the others; a special case is directional scaling or stretching. Non-uniform scaling changes the shape of the object; e.g. a square may change into a rectangle, or into a parallelogram if the sides of the square are not parallel to the scaling axes. It occurs, for example, when a faraway billboard is viewed from an oblique angle, or when the shadow of a flat object falls on a surface that is not parallel to it.

The posterior pair of fins under the body of fishes,
corresponding to the hind legs of terrestrial quadrupeds.