#white
- Abies concolor / White fir — A species of fir native to the mountains of Western North America, commonly known as the white fir or concolor fir. In Native American medicine and modern aromatherapy guides, distilled extracts from Abies concolor are recognized for their potent sedative effects on the nervous system, as well as spasmolytic and analgesic properties, used to alleviate high anxiety states and chronic muscle pain.
- Achromatic — Devoid of color, chromaticaly neutral, or not causing the decomposition of white light into its component spectral colors. In visual arts and design, it refers to color schemes based strictly on white, black, and intermediate shades of gray, whereas in optics it indicates a system capable of refracting light without parasitic dispersion.
- Achromotrichia — A pathological condition or biological phenomenon characterized by the total loss or congenital absence of natural pigment within the hair shaft structure, leading to complete whitening or discoloration. This structural dermatological process is caused by the cessation of melanin production by the melanocytes within the hair follicle, and can be triggered by hereditary factors, severe nutritional deficiencies (such as a lack of copper or pantothenic acid), intense oxidative stress, or autoimmune disorders.
- White baneberry — Scientific name (synonymous with Actaea pachypoda) for a toxic, herbaceous perennial plant in the Ranunculaceae family, native to eastern North America. It is structurally remarkable for its white berry-like fruits, each featuring a central black dot and supported by thick, red pedicels, an appearance that gives it the common name 'doll's eyes'. All parts of the plant contain potent cardiogenic toxins.
- Aerangis — A genus of tropical epiphytic and lithophytic orchids in the family Orchidaceae, native primarily to tropical Africa and Madagascar, structurally characterized by short stems, fleshy distichously arranged leaves, and pendulous inflorescences with star-shaped, white or translucent flowers that feature a long nectar spur and emit an intense fragrance during the night.
- Aërangis kotschyi — A spectacular, large-sized species of epiphytic orchid in the genus Aerangis, native to East and South Africa. It is structurally renowned for its incredibly long nectar spurs, which can reach between 20 and 30 centimeters in length, featuring short stems, fleshy dark-green leaves slightly wavy along the margins, and pendulous spikes bearing snow-white flowers with ivory hues, heavily fragrant at night.
- Aërides vandarum — A fascinating and distinct species of epiphytic or lithophytic orchid in the genus Aerides, native to the humid mountainous regions of Northeast India, Nepal, Bhutan, Myanmar, and Southern China. It is structurally recognized by its unique, thin, terete, cylindrical leaves (resembling those of the Vanda or Papilionanthe genus) and long, scrambling stems that produce large, spectacular flowers of a pure white or faint pinkish hue, featuring wavy margins and an intense fragrance.
- Agathis alba — A specific species of large coniferous tree within the genus Agathis, partially synonymous with Agathis dammara, commonly known as the Indonesian kauri or white copal tree. It is highly valued economically for its massive production of a commercial resin called Manila copal, extracted via bark incisions, and for its yellowish-white timber, heavily sought after in luxury carpentry and lightweight shipbuilding.
- Agave victoriaereginae — A small-sized, extremely rare, and protected species of succulent plant native to the Chihuahuan Desert in northern Mexico, classified in the Asparagaceae family. It is widely considered one of the most beautiful and geometric agave species in the world, characterized by a compact, rigid, and spherical rosette. Its short, thick, and triangular leaves are matte dark green, decorated with striking, angular white lines that look hand-painted. The margins are completely smooth and toothless, with the plant bearing only a single short, black terminal spine.
- Agranulocyte — A type of leukocyte (white blood cell) characterized by the absence of specific granules in its cytoplasm and a non-lobed nucleus; agranulocytes include lymphocytes and monocytes, playing a vital role in adaptive immunity.
- Agranulocytic — Relating to agranulocytes or agranulocytosis; describing cellular phenomena, immune reactions, or clinical syndromes associated with white blood cells that lack specific cytoplasmic granules or with conditions marked by a severe depletion of granulocytes.
- Agranulocytosis — An acute and severe hematological condition characterized by a drastic reduction or near-complete disappearance of granulocytes (primarily neutrophils) in the peripheral blood, dropping below 500 per microliter. It leaves the body highly vulnerable to life-threatening infections.
- Alabaster — A massive, fine-grained, and translucent variety of gypsum (hydrated calcium sulfate) or calcite (calcium carbonate), milky-white, yellowish, or with tinted veins, characterized by a low hardness that allows flawless manual processing and polishing; as an adjective, it describes a pure, immaculate white color or an extremely fine, smooth skin. This noble material holds a major structural role in the history of decorative arts, being used since Egyptian and classical antiquity for sculpting perfume vessels, luxury statuettes, and translucent decorative panels capable of filtering sunlight.
- White — Having the color of snow or milk, resulting from the total and simultaneous reflection of all rays within the solar spectrum; devoid of coloring, pale, or immaculate. As a neuter noun, it denotes the color itself, a blank space or, figuratively, a state of purity, innocence, transparency, or legality of an action or structural system.
- White-and-blue — Combining, associating, or alternating the colors white and blue; presenting stripes, checks, or geometric patterns formed by these two shades. In a social and sports context, the term describes the official identification colors of traditional football clubs, sports associations, or human administrative communities.
- Silvery-white — Combining or associating the color white with bright metallic reflections specific to silver; of a luminous, sparkling, or slightly metallic-gray white. The term is frequently used in descriptions of winter landscapes, the fur of certain animals, astronomical elements, or in modern industrial design to evoke a clean and technological elegance.
- Yellowish-white — Being of a white color with a slight yellowish tint or shade; of the color of butter, ivory, or unboiled milk. In medicine, biology, and geology, the term is used in a standard manner to describe the structural appearance of certain tissues, secretions, minerals, or wild flowers.
- Black-and-white — Combining, alternating, or exclusively utilizing the colors white and black; devoid of intermediate chromatic nuances, except for gray tones. In visual arts, cinematography, and photography, the term describes the traditional technique or aesthetic style of rendering images without colors, emphasizing contrasts, shadows, and highlights. As an adverb, it expresses the radical way of viewing or perceiving a situation in a dual manner.
- Snow White — A popular, regional phonetic variant or archaically joined spelling form for 'Albă-ca-Zăpada' (Snow White); the main female character from a famous fairy tale by the Brothers Grimm, characterized by kindness, ideal beauty, skin as white as snow, and hair as black as ebony, protected by the seven dwarfs in the middle of the forest. In certain isolated dialects, the term was also used as a common noun to describe an extremely pale, pure, or innocent girl.
- Grizzled — A regional term or rare chromatic contamination found in certain folk dialects to describe an object, animal, or surface of a dirty white, grizzled, or bluish-gray color, such as the fur of old animals or the metallic reflections of graying hair.