They represent the larger part of the iceberg that lurks well below the surface.
From the sacbee.com
Of all the vegetables I buy, whole iceberg lettuces have the greatest longevity.
From the newscientist.com
This sense of ownership I mentioned, it's the iceberg just below the water line.
From the techcrunch.com
Scientists say the iceberg is thinning due to warmer air and water temperatures.
From the washingtonpost.com
That rocks, and it feels like just the tip of the iceberg in terms of potential.
From the mattcutts.com
But this is only the tip of the iceberg when it comes to the financial argument.
From the guardian.co.uk
Under a burger is one of the very few acceptable places to find iceberg lettuce.
From the guardian.co.uk
The iceberg made its own fog, so we could only see a little way into the centre.
From the guardian.co.uk
The Titanic, then about 375 miles south of Newfoundland, Canada, hit an iceberg.
From the washingtonpost.com
More examples
A large mass of ice floating at sea; usually broken off of a polar glacier
Crisphead lettuce: lettuce with crisp tightly packed light-green leaves in a firm head; "iceberg is still the most popular lettuce"
An iceberg is a large piece of ice from freshwater that has broken off from a snow-formed glacier or ice shelf and is floating in open water. It may subsequently become frozen into pack ice. ...
The color iceberg is displayed at right. Although an iceberg is white, the color iceberg is a pale tint of blue which is a representation of the color of an iceberg when the bluish colors of the sky and sea are reflected off of it.
Iceberg is a fictional character and Amalgam Comics superhero, whose true debut was in JLX Unleashed #1 (1997), though her Amalgam Universe debut has yet to be revealed, other than the fact that it was most likely in the first JLX series. ...
Iceberg is an original novel written by David Banks and based on the long-running British science fiction television series Doctor Who. It was number 18 (of 61) in the Virgin New Adventures range and featured the Cybermen, being a sequel to the serials The Invasion and The Tenth Planet. ...
Iceberg is an Italian luxury fashion design house. Founded in 1974 by Silvano Gerani and Giuliana Marchini, the house produces womenu2019s and men's' 'pru00EAt-a-porter, accessories, fragrances and childrenswear. It is part of the Gilmar Group, founded in 1962...
Iceberg is a character from the toyline, comic books and cartoon series of the 1980s. He is the G.I. Joe team's snow trooper and debuted in 1986.
Iceberg is a large piece of ice that has broken off from a snow-formed glacier or ice shelf and is floating in open water