The most common and most likely answer to this crossword clue is the 7 letter word ALBUMEN
I've seen this crossword clue in The Guardian
A
L
B
U
M
E
N
More clues leading to the result ALBUMEN
- White LP, almost complete
- White knight bitter having rescued itinerant earlier
- White loaf to stop a short period of fasting
- White chess pieces placed on picture book briefly
- White Book seen at intervals
- White vestment, uniform given to bishops?
- Coach unable to accommodate male, 16
- 3 White drink bottles behind brown, ultimately
- White male husband, regularly drunk
- White gold plating pound pieces
Buddy explains!
The straight part
We know that "16" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 16 = albumen.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ALBUMEN mean?
ALBUMEN noun- The white part of an egg; being mostly the protein albumin and water.