Obtainable
61menthol — Camphor Cam phor (k[a^]m f[ e]r), n. [OE. camfere, F. camphre (cf. It. canfora, Sp. camfora, alcanfor, LL. canfora, camphora, NGr. kafoyra ), fr. Ar. k[=a]f[=u]r, prob. fr. Skr. karp[=u]ra.] 1. A tough, white, aromatic resin, or gum, obtained… …
62peppermint camphor — Camphor Cam phor (k[a^]m f[ e]r), n. [OE. camfere, F. camphre (cf. It. canfora, Sp. camfora, alcanfor, LL. canfora, camphora, NGr. kafoyra ), fr. Ar. k[=a]f[=u]r, prob. fr. Skr. karp[=u]ra.] 1. A tough, white, aromatic resin, or gum, obtained… …
63Sumatra camphor — Camphor Cam phor (k[a^]m f[ e]r), n. [OE. camfere, F. camphre (cf. It. canfora, Sp. camfora, alcanfor, LL. canfora, camphora, NGr. kafoyra ), fr. Ar. k[=a]f[=u]r, prob. fr. Skr. karp[=u]ra.] 1. A tough, white, aromatic resin, or gum, obtained… …
64cheap — I. noun Etymology: Middle English chep, from Old English cēap trade; akin to Old High German kouf trade; both ultimately from Latin caupo tradesman Date: before 12th century obsolete bargain II. adjective Date: 1509 1 …
65Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
66Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
67Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
68Synergy — For other uses, see Synergy (disambiguation). Synergy may be defined as two or more things functioning together to produce a result not independently obtainable. The term synergy comes from the Greek word syn ergos, συνεργός, meaning working… …
69Uncertainty — For the film of the same name, see Uncertainty (film). Certainty series Agnosticism Belief Certainty Doubt Determinism Epistemology …
70Invisible ink — Invisible ink, also known as security ink, is a substance used for writing, which is invisible either on application or soon thereafter, and which later on can be made visible by some means. Invisible ink is one form of steganography, and it has… …
