Category: R
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Ramekins
Small oval or round individual baking dishes. A diminutive receptacle specifically designed for baking and serving individual portions of food is commonly known as a ramekin. In some instances, the dish itself is also referred to by this name and may alternatively be spelled as “ramequin.” A petite and heat-resistant container, typically crafted from china…
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Ragout
A well-seasoned meat, foul or fish stew. A ragout is a highly spiced dish of meat and vegetables. Originally, ragouts were given their strong seasoning because they were intended to excite or revive the appetite. In the middle of the seventeenth century, this function gave the dish its name, as ragout derives from the French…
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Radicchio (red chicory)
A salad green with wide uses. Known to cool foods, high in vitamin A and C and high in Calcium. The elongated root vegetable, commonly known as a radish, particularly the white variation with an extended root system, possesses culinary versatility. The root component is often sliced and incorporated into a salad with its youthful,…
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Radiant heating
Transfer of energy from one body to another, not in contact with it, but by means of wave motion through space.
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Rad
A measure of energy absorbed, equivalent to 100 ergs of energy absorbed per gram of material receiving ionizing radiation. The unit used to measure the amount of ionizing radiation absorbed during X-ray procedures. A unit of absorbed dose of ionizing radiation equal to an absorbed energy of 0.01 joule per kilogram of irradiated material. A…
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Racking
The practice of siphoning wine from one container to another.
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Ribose
A pentose (five-carbon) sugar which occurs as an intermediate in the metabolism of glucose; especially important in the nucleic acids and various coenzymes. D-Ribose, a five-carbon-atom monosaccharide (i.e., a sugar). It is important to life because it and the closely allied compound deoxyribose form a part of the molecules that constitute the backbone of nucleic…
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Rhodopsin
The pigment in the rod cells of the retina of the eye, also known as visual purple, consisting of the protein opsin and retinaldehyde, which is responsible for the visual process. In cone cells of the retina the equivalent protein is iodopsin. A light-sensitive substance found in the rods. A light-sensitive purple pigment in the…
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Rhamnose
A methylated pentose (five-carbon) sugar.
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Rexinoids
Compounds chemically related to vitamin A, that bind to the retinoid X receptor but not the retinoic acid receptor.