| Era of Good Feeling | (U.S. hist.) a period of relative political amity, roughly 1817 to 1824. | |
| New Thought | a system which employed the suggestion of favorable ideas to bring about physical and mental health. | |
| Fletcherism | the practice of chewing food until it is reduced to liquid. | |
| Bantingism | a high-protein, low-fat, low-carbohydrate diet, intended for weight reduction. (and v.i. |bant|) [after W. /Banting/ 19-cen. London cabinetmaker] | |
| Year of Confusion | the 445-day year of 46 B.C.E., when the drifting Roman calendar was abandoned for the Julian calendar. | |
| Ido | a simplified form of Esperanto. | |
| International Year of the Quiet Sun | the year 1964, named as a year for astronomical study of the sun, which was relatively inactive at that time. |