All English words - page 3975

noun

A solid material of extremely low density, produced by removing the liquid component from a conventional gel.

Usage examples:

An aerogel is a porous network of silica strands with diameters of a few nanometres.

noun

A solid material that is synthetic (= artificial, not found in nature), that has a very low density (= mass relative to its size), and that is made by replacing the liquid in a gel with a gas

Usage examples:

When solidified, aerogels make good insulation for a spacecraft or aircraft., jackets lined with ae…

adverb

Audibly; not silently or in a whisper.

Usage examples:

He read the letter aloud

adverb

In a voice loud enough to be heard

Usage examples:

I wondered aloud whether it would be worth the wait.

abbreviation

General educational development, referring to a system of standardized examinations which entitle those who pass them to receive a credential considered as equivalent to completion of high school.

noun

Abbreviation for general equivalency diploma (= a document given to someone who did not complete high school but has passed an examination on those school subjects)

noun

A wrong or inaccurate name or designation.

Usage examples:

Morning sickness is a misnomer for many women, since the nausea can occur any time during the day

noun

A name that is not correct or does not suit what it refers to, or a use of such a name

Usage examples:

Dry cleaning is a misnomer, since the clothes are cleaned in a fluid.

adjective

(especially of a slight movement or change of state) able to be seen or noticed.

Usage examples:

A perceptible decline in public confidence

adjective

That can be seen, heard, felt, tasted, smelled, or noticed

Usage examples:

His pulse was barely perceptible (= difficult to feel) upon arrival at the hospital.