Reading Theme:
Diamond Meaning: Gem and Baseball Field Uses (2 meaning)
Meaning 1：precious gem (Diamond)
Diamond
/ˈdaɪəmond/
n.
A very hard, valuable, and usually clear stone that is used in expensive jewelry.
precious gem
➕
/ˈprɛʃəs dʒɛm/
n.
A hard, clear, and valuable stone often used in jewelry.
📘 Details & Usage
📖 Root Explanation
From Greek 'adamas' (invincible), for its hardness.
💡 Mnemonic
Recall 'diamond' as 'die' (hard) + 'mond' (world) - the hardest material.
📖 Example
She was overjoyed when she saw the sparkling diamond on her engagement ring.
She was overjoyed when she saw the sparkling diamond on her engagement ring.
🔗 Collocations
diamond ring – a ring set with a diamond
diamond mine – a place where diamonds are extracted
raw diamond – an uncut diamond
🌱 Derivatives
diamondiferous (adj.) – containing diamonds
📖 Cultural Story
Originates from the Greek word 'adamas' (unbreakable). Ancient Indians traded diamonds as early as the 4th century BC, making it one of the oldest known gems.
Meaning 2：baseball field (Diamond)
Diamond
/ˈdaɪəmond/
n.
A shape with four equal straight sides and two opposite angles that are smaller than the other two. In sports, it refers to the baseball field.
baseball field
➕
/ˈbeɪsˌbɔːl fiːld/
n.
The infield area of a baseball field, shaped like a rhombus with bases at the corners.
📘 Details & Usage
📖 Example
The players ran onto the diamond and began their warm-up exercises under the bright stadium lights.
The players ran onto the diamond and began their warm-up exercises under the bright stadium lights.
🔗 Collocations
on the diamond – on the baseball field
diamond shape – a rhombus or square rotated 45 degrees
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