nacreous

USAGE SUMMARY

"nacreous" is a correct and usable word in written English.
Its definition is "having a pearly, iridescent luster or play of color". You can use it in any written context to describe an object, particularly when you want to emphasize its shining and/or rainbow-like appearance. For example, "The artist carefully crafted a bowl from nacreous pearl."

✓ Grammatically correct

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

29 human-written examples

Regions of nearly complete ozone depletion, which have occurred in the Antarctic during the spring, are associated with nacreous clouds, chlorofluorocarbons (CFCs), and other pollutants from human activities.

Encyclopedia Britannica

Nacreous clouds may form naturally or may be associated with increased methane concentrations in the atmosphere, some of which may result from human activity.

Encyclopedia Britannica

The inside of the shell is always nacreous, often in iridescent greens and blues.

Encyclopedia Britannica

The infrequent clouds that do occur are called nacreous, or mother-of-pearl, clouds because of their striking iridescence, and they appear to be composed of both ice and supercooled water.

Encyclopedia Britannica

Among the lustres produced in Spain were golden-greenish tinged and tarnished-copper lustres, which in the 17th century tended to be replaced by brigolden-greenish tinged; in 16th-century Itand, ruby-red or golden-yellow lustres with nacreous reflections predominated.

Encyclopedia Britannica

Cold air trapped within the Antarctic polar vortex contributes to the development of nacreous clouds (a type of polar stratospheric cloud [PSC] made up of water and nitric acid) during the winter months, which last through the whole of the polar night (the period in which Antarctica experiences several months of total darkness).

Encyclopedia Britannica

These atmospheric wave clouds are known as nacreous or "mother-of-pearl" clouds because of their brilliant iridescent colours.

Encyclopedia Britannica

It possesses the added virtue of providing a pearl entirely of nacreous content.

Encyclopedia Britannica

In Scotland, winds of 144mph were recorded in the Cairngorm mountain range, while nacreous clouds more often seen in polar regions were also spotted in north eastern areas.

Independent

The shell of mollusks is secreted by the epithelium of the mantle and consists of an outer layer of the horny substance conchiolin, an intermediate prismatic layer composed of calcite, and a smooth inner layer (the nacreous layer) also composed mainly of calcium carbonate.

Encyclopedia Britannica

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Sedentary bivalves (mollusk couch potatoes) like the clam, the oyster, and the mussel are the most reliable producers, but even a relatively antsy gastropod like the garden snail can, on occasion, deliver its non-nacreous little bundle.

The New Yorker

Expert writing Tips

Best practice

When describing clouds, using “nacreous” can vividly portray their shimmering, rainbow-like appearance, particularly when they are seen in polar regions. This provides a precise and evocative image.

Common error

Don't confuse "nacreous" with simply "shiny" or "glossy". "Nacreous" specifically relates to the iridescent, layered structure of nacre (mother of pearl). Using it to describe general shininess is inaccurate.

Linguistic Context

The adjective "nacreous" primarily functions as a descriptive modifier, adding detail and specificity to nouns by highlighting their pearly, iridescent appearance. As evidenced by Ludwig, it's used across various contexts to evoke this unique visual quality.

Expression frequency: Common

Frequent in

Encyclopedias

30%

News & Media

66%

Science

4%

Less common in

Formal & Business

0%

Social Media

0%

Reference

0%

Ludwig's WRAP-UP

The adjective "nacreous" accurately describes something that possesses a pearly or iridescent quality, similar to mother-of-pearl. Ludwig AI confirms it's a correct and usable word. Its usage is most prevalent in encyclopedias and news & media, adding a touch of sophistication when describing objects or phenomena. While it's not typically used in highly informal settings, it's appropriate in neutral contexts to convey a specific and vivid visual quality. When using this term, remember that it is not just shine or glossiness, and consider other related terms as the context demands.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

pearly

Focuses on the resemblance to pearls, highlighting the smooth, lustrous appearance.

iridescent

Emphasizes the play of colors that shift depending on the angle of view.

opalescent

Highlights the milky, glowing appearance reminiscent of opals.

mother-of-pearl

Directly refers to the material that exhibits a nacreous quality.

having a pearly luster

Describes the quality using a more descriptive phrase rather than a single adjective.

rainbow-like

Emphasizes the presence of multiple colors, similar to a rainbow.

shimmering

Focuses on the way light reflects and moves across the surface.

opaline

Implies a translucent, milky iridescence, akin to the appearance of opal glass.

exhibiting iridescence

Uses a verb to describe the display of iridescent colors.

with a pearlescent sheen

Highlights the soft, reflective quality of a pearl's surface.

FAQs

How can I use "nacreous" in a sentence?

You can use "nacreous" to describe objects with a pearly, iridescent sheen, such as "The inside of the shell was lined with a "nacreous" layer" or "Nacreous clouds shimmered in the polar sky".

What's the difference between "iridescent" and "nacreous"?

"Iridescent" describes a general display of shifting colors, while "nacreous" specifically refers to the pearly, rainbow-like appearance characteristic of mother-of-pearl. Something "nacreous" is always iridescent, but not everything iridescent is "nacreous".

Are there other words to describe a similar appearance to "nacreous"?

Yes, you can use terms like "pearly", "opalescent", or "mother-of-pearl" depending on the context. These words emphasize different aspects of the shimmering, iridescent quality.

Where does the word "nacreous" come from?

The word "nacreous" is derived from "nacre", which refers to the iridescent inner layer of certain mollusk shells, also known as mother-of-pearl. The suffix "-ous" indicates a quality or resemblance to nacre.