rcd
Word Rarity
Rare
Frequency: Zipf frequency 2.65 in modern English
6
Scrabble Score
3
Letters
1
Syllables
3
Unique Chars
Meaning
noun
noun
Example Sentences
- "One issue surrounds residual current devices (RCDs), the safety devices found in fuse boxes that sense when current is leaking to ground – a sign of electrocution or a short circuit – and almost instantaneously cut power. Most RCDs used in the UK aren’t suitable for current flowing in both directions and so could malfunction. In the US, the set-up is different but there are similar problems. One reason why Germany has managed to move so quickly [on plug-in solar panels] is that by coincidence it standardised bi-directional RCDs in the 1980s."