placoid /plakˈoid/

1. (of scales) plate-like
2. (of fish, eg sharks) having placoid scales, irregular plates of hard bone, not imbricated

• mid-Lent
• mid-life crises
• mid-life crisis
• midlittoral
• midlittorals
• mid-morning
• midmost
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• midnight
• midnight blue
• midnight feast
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• midnightly
• midnights
• midnight sun
• midnight suns
• midnoon
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• mid-ocean
• mid-ocean ridge
• mid-off
• mid-offs
• mid-on
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• mid-point