anchor ice: meaning, definition, pronunciation and examples

C2
UK/ˈæŋ.kər ˌaɪs/US/ˈæŋ.kɚ ˌaɪs/

Technical / Scientific / Nautical

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Quick answer

What does “anchor ice” mean?

Ice that forms on the bed of a river, lake, or sea.

Audio

Pronunciation

Definition

Meaning and Definition

Ice that forms on the bed of a river, lake, or sea.

A type of underwater ice that attaches to submerged surfaces, often causing issues for water intakes or aquatic life. In some contexts, it can refer to ice that is fixed in place and serves as an anchor for other floating ice.

Dialectal Variation

British vs American Usage

Differences

The term is used in both variants, but is more prevalent in scientific literature related to hydrology and engineering in North America. In the UK, 'ground ice' is a more common synonym in formal technical writing.

Connotations

Carries a strong connotation of a hazardous, obstructive natural feature in both regions.

Frequency

Low frequency in general discourse; higher frequency in specialised fields like limnology, oceanography, and civil engineering, particularly in colder climates like Canada and northern US states.

Grammar

How to Use “anchor ice” in a Sentence

Anchor ice forms (on the riverbed).The (structure) was clogged by anchor ice.Scientists studied the effects of anchor ice (on fish spawning grounds).

Vocabulary

Collocations

strong
formaccumulateadhere todislodgeremove
medium
heavy anchor icedangerous anchor iceriverbed anchor icebuildup of anchor ice
weak
melt anchor iceobserve anchor icereport anchor ice

Examples

Examples of “anchor ice” in a Sentence

adjective

British English

  • The anchor-ice formation was unprecedented.

American English

  • They documented an anchor-ice event in the research station's log.

Usage

Meaning in Context

Academic

Common in hydrological, environmental science, and engineering papers discussing ice formation and its impacts on infrastructure and ecosystems.

Everyday

Virtually unused unless discussing specific winter hazards on local rivers or lakes.

Technical

Precise term in limnology, cryology, and water resource engineering to describe ice accreted on submerged objects.

Vocabulary

Synonyms of “anchor ice”

Neutral

Weak

underwater icefixed ice

Vocabulary

Antonyms of “anchor ice”

surface icefloating icedrift ice

Watch out

Common Mistakes When Using “anchor ice”

  • Using 'anchor ice' to refer to an ice anchor (a tool).
  • Confusing it with 'anchor' in a nautical context.
  • Assuming it floats.

FAQ

Frequently Asked Questions

Yes, it can be. It can block water intakes for municipalities and power plants, damage underwater infrastructure, and harm aquatic ecosystems by smothering the riverbed.

It is most common in fast-flowing, shallow rivers and streams in cold climates, where supercooled water can reach the bottom. It also occurs in lakes and coastal marine areas.

Frazil ice consists of loose, needle-like ice crystals suspended in supercooled water. Anchor ice is what forms when these frazil ice crystals adhere and accumulate on submerged surfaces.

Yes, a common phenomenon is 'anchor ice rise' or 'rafting,' where anchor ice masses detach from the bottom and float to the surface, sometimes carrying sediment and stones with them.

Ice that forms on the bed of a river, lake, or sea.

Anchor ice is usually technical / scientific / nautical in register.

Anchor ice: in British English it is pronounced /ˈæŋ.kər ˌaɪs/, and in American English it is pronounced /ˈæŋ.kɚ ˌaɪs/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of an 'anchor' holding a ship down. Anchor ice 'anchors' itself to the bottom of a body of water, holding it in place.

Conceptual Metaphor

NATURE AS BUILDER: Anchor ice is conceptualised as a substance that 'builds' or 'grows' a hazardous foundation underwater.

Practice

Quiz

Fill in the gap
The hydroelectric plant had to reduce output because the had completely obstructed the filtration screens.
Multiple Choice

What is the primary characteristic of anchor ice?