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RUST

Pronunciation (US): 

 Dictionary entry overview: What does rust mean? 

RUST (noun)
  The noun RUST has 4 senses:

1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
2. a reddish-brown discoloration of leaves and stems caused by a rust fungus
3. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
4. any of various fungi causing rust disease in plants

  Familiarity information: RUST used as a noun is uncommon.


RUST (adjective)
  The adjective RUST has 1 sense:

1. of the brown color of rust

  Familiarity information: RUST used as an adjective is very rare.


RUST (verb)
  The verb RUST has 3 senses:

1. become destroyed by water, air, or an etching chemical such as an acid
2. cause to deteriorate due to the action of water, air, or an acid
3. become coated with oxide

  Familiarity information: RUST used as a verb is uncommon.


 Dictionary entry details 


RUST (noun)


Sense 1rust [BACK TO TOP]

Meaning:

A red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

Classified under:

Nouns denoting substances

Hypernyms ("rust" is a kind of...):

ferric oxide (a red oxide of iron)

Meronyms (substance of "rust"):

goethite; gothite (a red or yellow or brown mineral; an oxide of iron that is a common constituent of rust)


Sense 2rust [BACK TO TOP]

Meaning:

A reddish-brown discoloration of leaves and stems caused by a rust fungus

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("rust" is a kind of...):

plant disease (a disease that affects plants)

Hyponyms (each of the following is a kind of "rust"):

blister rust; white pine blister rust; white-pine rust (any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally)


Sense 3rust [BACK TO TOP]

Meaning:

The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water

Classified under:

Nouns denoting natural processes

Synonyms:

rusting; rust

Hypernyms ("rust" is a kind of...):

corroding; corrosion; erosion (erosion by chemical action)

oxidation; oxidisation; oxidization (the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction)

Meronyms (substance of "rust"):

ferric oxide (a red oxide of iron)


Sense 4rust [BACK TO TOP]

Meaning:

Any of various fungi causing rust disease in plants

Classified under:

Nouns denoting plants

Synonyms:

rust fungus; rust

Hypernyms ("rust" is a kind of...):

fungus (a parasitic plant lacking chlorophyll and leaves and true stems and roots and reproducing by spores)

Meronyms (parts of "rust"):

aecium (fruiting body of some rust fungi bearing chains of aeciospores)

aeciospore (spore of a rust fungus formed in an aecium)

Hyponyms (each of the following is a kind of "rust"):

flax rust; flax rust fungus; Melampsora lini (fungus causing flax rust)

blister rust; Cronartium ribicola (fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host)

Puccinia graminis; wheat rust (rust fungus that attacks wheat)

apple rust; cedar-apple rust; Gymnosporangium juniperi-virginianae (rust fungus causing rust spots on apples and pears etc)

Holonyms ("rust" is a member of...):

order Uredinales; Uredinales (rust fungi: parasitic fungi causing rust in plants; sometimes placed in)


RUST (adjective)


Sense 1rust [BACK TO TOP]

Meaning:

Of the brown color of rust

Synonyms:

rust; rust-brown; rusty

Similar:

chromatic (being or having or characterized by hue)


RUST (verb)


Sense 1rust [BACK TO TOP]

Meaning:

Become destroyed by water, air, or an etching chemical such as an acid

Classified under:

Verbs of size, temperature change, intensifying, etc.

Synonyms:

rust; corrode

Context examples:

The metal corroded / The pipes rusted

Hypernyms (to "rust" is one way to...):

crumble; decay; delapidate (fall into decay or ruin)

Troponyms (each of the following is one way to "rust"):

eat away; fret (wear away or erode)

Sentence frame:

Something ----s

Sentence example:

These cars won't rust


Sense 2rust [BACK TO TOP]

Meaning:

Cause to deteriorate due to the action of water, air, or an acid

Classified under:

Verbs of size, temperature change, intensifying, etc.

Synonyms:

corrode; rust; eat

Context examples:

The acid corroded the metal / The steady dripping of water rusted the metal stopper in the sink

Hypernyms (to "rust" is one way to...):

damage (inflict damage upon)

Sentence frame:

Something ----s something


Sense 3rust [BACK TO TOP]

Meaning:

Become coated with oxide

Classified under:

Verbs of size, temperature change, intensifying, etc.

Hypernyms (to "rust" is one way to...):

oxidate; oxidise; oxidize (enter into a combination with oxygen or become converted into an oxide)

Sentence frame:

Something ----s


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 RUST: related words searches 

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