cadmium
cadmium
Definition
cad·mium (kad′mē əm)
noun
a silver-white, malleable, ductile, metallic chemical element occurring as a sulfide or carbonate in zinc ores: it is used in some low-melting alloys, electroplating, rechargeable batteries, etc.: highly toxic dust or fumes: symbol, Cd; at. no., 48
Etymology: ModL < L cadmia, zinc ore < Gr kadmeia(gē), Cadmean (earth) (so called because found near Thebes, home of Cadmus) + -ium: so named (1817) by F. Strohmeyer (1776-1835), Ger chemist, because frequently found assoc. with zinc
cadmium
Usage Examples
Converse of object
- contain: A small proportion of PV contains cadmium, the oxides of which are toxic in very small doses.
- use: The amount of cadmium used is very small so the cell is not as unfriendly to the environment as We believe.
- plate: Base metals of tensile strength above 1100 MPa should not be cadmium plated with conventional methods.
- include: The task could be broadened to cover other heavy metals including cadmium & barium.
- find: Over a period of 14 months we found cadmium in counterfeits to average more than five times the concentrations in genuine brands.
Preposition: in
- food: These results will also complement previous MAFF surveys of lead and cadmium in foods.
- battery: Although landfills are meant to be ' sealed ' the cadmium in one mobile phone battery can contaminate 600,000 liters of water.
Adjective modifier
- heavy: In the first instance the study will be confined to the heavy metals cadmium, lead, arsenic and zinc.
- e.g.: This also helps to reduce the amount of hazardous metals e.g. cadmium, nickel and mercury, in the waste stream.
- Lead: Analysis Lead, cadmium, copper and zinc concentrations were determined by Inductively Coupled Plasma-Mass Spectrometry ( ICP-MS ).
- toxic: In portable electronics, they avoid toxic cadmium and mercury battery waste.
- nickel: The battery was made by NIFE Batteries Ltd and was a nickel cadmium alkaline battery designed on the standard two-part principle.
Modifies a noun
- telluride: He explained: " What silicon has done for digital cameras, cadmium telluride wafers will do for x-ray signals.
- plating: Cadmium ion plating: The deposition of cadmium by a vacuum process to provide galvanic corrosion protection.
- sulfide: A cadmium sulfide light sensitive resistor gives the buggy its ' eye ' .
- zinc: The material you would be using is cadmium zinc telluride CZT which is being manufactured at Durham University.
- battery: In practice 70 % of the portable nickel cadmium batteries market would be exempt.
- concentration: The cadmium concentrations were generally higher than would be found in most foods.
Noun used with modifier
