magnetograph
(noun) a scientific instrument that registers magnetic variations (especially variations of the earth’s magnetic field)
Source: WordNet® 3.1
magnetograph (plural magnetographs)
An instrument for measuring changes in the direction and intensity of magnetic fields.
Source: Wiktionary
Mag*net"o*graph, n. Etym: [Magneto- + -graph.] (Physics)
Definition: An automatic instrument for registering, by photography or otherwise, the states and variations of any of the terrestrial magnetic elements.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 December 2024
(noun) Australian tree having hard white timber and glossy green leaves with white flowers followed by one-seeded glossy blue fruit
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
