(physics) index (on a tensor) that isn't summed over

Synonym of Horowitz index

An assessment of lung function; the ratio of partial pressure of oxygen in blood (PaO2), and the fraction of oxygen in the inhaled air (FiO2).

Of a book, having a thumb index.

A series of alphabetically marked or otherwise labelled semicircular cut-outs in the fore edge of a large reference book, encyclopaedia, Bible, etc., that allows quick access to various parts of the text.

plural of thumb index

(medicine) The ponderal index. / (medicine) A statistical measure comparing the actual and desired weight of a person.

(transitive) To index under a secondary heading or keyword, so that an item may be looked up or located in an alternative way.

plural of closet index

(finance) A mutual fund that closely resembles an index fund, while charging higher fees for active management.