stand-in

By using the molecular environment as a microscopic stand-in for a particle collider, they confined the radium atom's electrons and increased the likelihood that some would briefly pass through the nucleus.

In Todd’s facelessness, he’s a stand-in for whatever you want: absentee parents, a struggling partner or child or friend.

However, after England's stand-in skipper Jacob Bethell again won the toss and put the hosts into bat, Sunday's innings was a much more laboured affair.

On the day when Bethell became the youngest player to captain an English team, his first act as Harry Brook's stand-in skipper was to win the toss and put the hosts in to bat.

That versatility makes her an ideal bench option, a superb stand-in wherever needed in the backline.