grand jury
- n a jury to inquire into accusations of crime and to evaluate the grounds for indictments
gram
- n a metric unit of weight equal to one thousandth of a kilogram
- n Danish physician and bacteriologist who developed a method of staining bacteria to distinguish among them (1853-1938)
gram's method
- n a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
gram's procedure
- n a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
gram's solution
- n a solution used in staining bacteria by Gram's method; consists of one part iodine and two parts potassium iodide and 300 parts water
gram's stain
- n a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
gram-atomic weight
- n the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element
gram atom
- n the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element
gram calorie
- n unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
gram method
- n a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
gram molecule
- n the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites