crystal
gb/kɹˈɪstəl/ us/kɹˈɪstəl/
B1
Anh
~ 2800
Các nghĩa
0 nghĩa
Danh từ
B1
entity
1
Transparent mineral with regular structure
A hard, clear stone or mineral that has a regular shape inside.
Mẫu sử dụng:
[something] is a crystal
Lỗi thường gặp:
Learners may confuse 'crystal' with 'glass'. Glass is not crystalline; it has no regular internal structure.
Từ đồng nghĩa
quartz (A specific and common type of crystal, but not all crystals are quartz.)
Từ trái nghĩa
amorphous solid (A solid without a regular internal structure, the opposite of crystalline.)
Cụm từ đi kèm
crystal structure
|crystal formation
|quartz crystal
|liquid crystal
|crystal lattice
Chủ đề
science
|nature
|materials
Ví dụ
- 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.
Ví dụ cho người học
- I found a crystal on the beach.
- Salt is made of small crystals.
- The crystal is clear and shiny.
Danh từ
B1
entity
2
Fine clear glass tableware or ornaments
A kind of clear glass used to make nice cups, bowls, or decorations.
Lỗi thường gặp:
Learners sometimes think 'crystal' always means a natural mineral. In this sense it refers to man-made fine glass.
Từ đồng nghĩa
glassware (General term for objects made of glass; not necessarily high-quality or decorative.)
Từ trái nghĩa
plasticware (Tableware made from plastic instead of glass.)
Cụm từ đi kèm
crystal vase
|cut crystal
|crystal glassware
Chủ đề
home
|materials
|daily_life
|arts_entertainment
Ví dụ
- 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.
Ví dụ cho người học
- My grandmother has a crystal bowl.
- We drink wine from crystal glasses.
- The crystal vase is very beautiful.
Danh từ
informal
B2
entity
3
Methamphetamine in crystalline form
An illegal drug called methamphetamine that looks like small crystals.
Lỗi thường gặp:
Learners may not realize 'crystal' can mean an illegal drug in slang; context is essential.
Từ đồng nghĩa
meth (Common slang abbreviation for methamphetamine; same substance as 'crystal' in this context.)
Cụm từ đi kèm
smoke crystal
|buy crystal
Chủ đề
crime
|health
|law
Ví dụ
- 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.
Ví dụ cho người học
- 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.
Mẫu sử dụng:
[something] is crystal [clear]
Lỗi thường gặp:
Learners may overuse 'crystal' alone without 'clear'; as an adjective it almost always appears in the fixed phrase 'crystal clear'.
Từ đồng nghĩa
transparent (Focuses more on the physical property of letting light pass through.)
Từ trái nghĩa
unclear (Not easy to see or understand.)
Cụm từ đi kèm
crystal clear water
|crystal clear instructions
Chủ đề
communication
|perception
|core_vocabulary
Ví dụ
- The lake water was crystal clear.
- Her explanation was crystal clear and left no doubts.
- Through the window, the view was crystal clear.
Ví dụ cho người học
- The water is crystal clear.
- His words are crystal clear.
- The air was crystal clear.
Ngữ pháp
Dạng từ điển
crystal
IPA
GB/kɹˈɪstəl/
US/kɹˈɪstəl/
Âm tiết và trọng âm
crys - tal (2 âm tiết)
Stress on 1st syllable (crys)
Các dạng từ
Noun
- Base: crystal
- Plural: crystal, crystals
Họ từ
Forms
crystals
noun
Core family
crystalline
adjective
crystallize
verb B2
Advanced or less common
crystallization
noun C1
Cách diễn đạt
clear as crystal
1/klˈɪɹ ˈæz kɹˈɪstəl/
fixed phrase
Extremely easy to perceive or understand
Very easy to see or very easy to understand.
Ví dụ
- 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.
Ví dụ
- 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.
Ví dụ
- 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.