the portion of Social Security and Medicare taxes paid by the employer of a nanny, gardener, or other household worker.
a federal or state tax levied on those who employ live-in domestic help
The nanny tax pays for the workers’ Social Security, Medicare, and unemployment benefits.
The legal requirement, enacted in 1951, that full-time domestic child-minders be treated like other employees under the Social Security law: The Social Security ”nanny tax,” made famous last year in confirmation hearings will be eased under legislation Congress passed Thursday
[1980s+; fr British nanny, ”childrens’ nurse,” a nickname for Ann, and found by 1795]
[nan-oh, ney-noh] /ˈnæn oʊ, ˈneɪ noʊ/ noun 1. Informal. . 1. a combining form with the meaning “very small, minute,” used in the formation of compound words (nanoplankton); in the names of units of measure it has the specific sense “one billionth” (10 -9): nanomole; nanosecond. combining form 1. denoting 10–9: nanosecond, n 2. indicating […]
unit, humour /nan’oh-ay”kr/ A unit (about 2 mm square) of real estate on a VLSI integrated circuit. VLSI nanoacres have costs in the same range as real acres once one allows for design and fabrication setup costs. [Jargon File] (1995-09-20)
noun a type of microorganism that is much smaller than normal bacteria, found in some living tissue and in rock; also called nanobe Examples Nanobacteria grown in the laboratory produce calcium phosphate formations, much like those found in kidney, gall, and bladder stones. Word Origin nano- + bacterium
/ˈnænəʊb/ noun 1. a microbe that measures between 50 and 100 nanometres across and is smaller than the smallest known bacterium