crystal
gb/kɹˈɪstəl/ us/kɹˈɪstəl/
B1
Inglês
~ 2800
Acepções
0 acepção
Substantivo
B1
entity
1
Transparent mineral with regular structure
A hard, clear stone or mineral that has a regular shape inside.
Padrão de uso:
[something] is a crystal
Erro comum:
Learners may confuse 'crystal' with 'glass'. Glass is not crystalline; it has no regular internal structure.
Sinônimos
quartz (A specific and common type of crystal, but not all crystals are quartz.)
Antônimos
amorphous solid (A solid without a regular internal structure, the opposite of crystalline.)
Colocações
crystal structure
|crystal formation
|quartz crystal
|liquid crystal
|crystal lattice
Temas
science
|nature
|materials
Exemplos
- The geologist examined a large quartz crystal.
- Snowflakes are tiny ice crystals formed in the atmosphere.
- This watch contains a crystal that regulates its timekeeping.
Exemplos para estudantes
- I found a crystal on the beach.
- Salt is made of small crystals.
- The crystal is clear and shiny.
Substantivo
B1
entity
2
Fine clear glass tableware or ornaments
A kind of clear glass used to make nice cups, bowls, or decorations.
Erro comum:
Learners sometimes think 'crystal' always means a natural mineral. In this sense it refers to man-made fine glass.
Sinônimos
glassware (General term for objects made of glass; not necessarily high-quality or decorative.)
Antônimos
plasticware (Tableware made from plastic instead of glass.)
Colocações
crystal vase
|cut crystal
|crystal glassware
Temas
home
|materials
|daily_life
|arts_entertainment
Exemplos
- The couple received a set of crystal wine glasses as a wedding gift.
- She displayed the crystal vase on the dining table.
- The chandelier sparkled with dozens of hanging crystals.
Exemplos para estudantes
- My grandmother has a crystal bowl.
- We drink wine from crystal glasses.
- The crystal vase is very beautiful.
Substantivo
informal
B2
entity
3
Methamphetamine in crystalline form
An illegal drug called methamphetamine that looks like small crystals.
Erro comum:
Learners may not realize 'crystal' can mean an illegal drug in slang; context is essential.
Sinônimos
meth (Common slang abbreviation for methamphetamine; same substance as 'crystal' in this context.)
Colocações
smoke crystal
|buy crystal
Temas
crime
|health
|law
Exemplos
- The police seized several grams of crystal during the raid.
- He was arrested for selling crystal to undercover officers.
- Crystal abuse can lead to severe health problems.
Exemplos para estudantes
- The police found crystal in his car.
- Crystal is a dangerous drug.
- She was arrested for selling crystal.
adjective
B2
property
4
Perfectly clear or easy to understand
Very clear to see through or very easy to understand.
Padrão de uso:
[something] is crystal [clear]
Erro comum:
Learners may overuse 'crystal' alone without 'clear'; as an adjective it almost always appears in the fixed phrase 'crystal clear'.
Sinônimos
transparent (Focuses more on the physical property of letting light pass through.)
Antônimos
unclear (Not easy to see or understand.)
Colocações
crystal clear water
|crystal clear instructions
Temas
communication
|perception
|core_vocabulary
Exemplos
- The lake water was crystal clear.
- Her explanation was crystal clear and left no doubts.
- Through the window, the view was crystal clear.
Exemplos para estudantes
- The water is crystal clear.
- His words are crystal clear.
- The air was crystal clear.
Gramática
Forma no dicionário
crystal
AFI
GB/kɹˈɪstəl/
US/kɹˈɪstəl/
Sílabas e tonicidade
crys - tal (2 sílabas)
Stress on 1st syllable (crys)
Formas da palavra
Noun
- Base: crystal
- Plural: crystal, crystals
Família de palavras
Forms
crystals
noun
Core family
crystalline
adjective
crystallize
verb B2
Advanced or less common
crystallization
noun C1
Expressões
clear as crystal
1/klˈɪɹ ˈæz kɹˈɪstəl/
fixed phrase
Extremely easy to perceive or understand
Very easy to see or very easy to understand.
Exemplos
- His answer was clear as crystal.
- The mountain air was clear as crystal.
have a crystal ball
1/hˈæv ə kɹˈɪstəl bˈɔl/
idiom
Ability to predict the future
To know what will happen in the future, like magic.
Exemplos
- I can't have a crystal ball — I don't know what will happen next year.
- She isn't expected to have a crystal ball and predict market changes.
crystal clear
1/kɹˈɪstəl klˈɪɹ/
fixed phrase
Perfectly transparent or obvious
Very easy to see through or very easy to understand.
Exemplos
- Her instructions were crystal clear.
- The instructions were crystal clear, so everyone knew what to do.
- The water in the bay was crystal clear.
- On a sunny day, the sea here is crystal clear.