D
Dicread
InícioDicionárioIiridium

Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.

Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.

iridium

iridium
Noun

This term refers to a rare platinum-group metal characterized by its exceptional density and stability. It is most frequently encountered in scientific, geological, and industrial contexts, often associated with high-precision instruments or astronomical theories regarding extraterrestrial impacts.

As a chemical element, it is an uncountable mass noun. It does not have a plural form in standard usage; instead, quantities are specified using units of measurement such as grams or milligrams.

Meanings

Nouniridium

A very hard, brittle, silvery-white transition metal of the platinum group, known for its extreme resistance to corrosion.

The presence of iridium in the clay layer suggests a massive asteroid impact.

Examples

Iridium is one of the most corrosion resistant metals known to science.

none

Iridium is one of the most corrosion resistant metals known to science.

The high concentration of iridium in the clay layer suggests an asteroid impact.

History

The high concentration of iridium in the clay layer suggests an asteroid impact.

Why is iridium so much rarer than platinum?

School Life

Why is iridium so much rarer than platinum?

These high end spark plugs use an iridium tip for better durability.

Business

These high end spark plugs use an iridium tip for better durability.

I wonder if iridium could be used to coat these surgical instruments.

none

I wonder if iridium could be used to coat these surgical instruments.

The sample contains trace amounts of iridium.

none

The sample contains trace amounts of iridium.

Iridium is a transition metal located in group nine of the periodic table.

School Life

Iridium is a transition metal located in group nine of the periodic table.

The crucible was made of an iridium alloy to withstand the extreme heat.

none

The crucible was made of an iridium alloy to withstand the extreme heat.

Look at the spectral lines for iridium on the chart.

School Life

Look at the spectral lines for iridium on the chart.

Related Words

elementmetalplatinumosmiumrutheniumrhodiumpalladiumtransitionchemistryperiodicityatomicnumbervalenceelectronorbitalisotopedensityhardnesscorrosionresistancecatalystcatalysisoxidationreductionalloymetallurgymineraloreasteroidmeteoriteimpactextinctionboundarygeologystratigraphysedimentcrustmantlecoresilicatenobleinertconductivitycrystallatticecubicelectrodecruciblecoatingplatingindustrialscientificlaboratoryspectroscopyelectronegativityionizationaffinitycompoundoxidechloridefluoridecomplexligandcoordinationgeometrystablerefractorylustermalleabilityductilitybrittlenessweightmassvolumeanomalysignaturemarker
Última atualização: May 2026Reportar um erro