S-shaped

The projections will take the form of an S-shaped curve in which growth begins slowly, increases rapidly for a while then slows as it approaches a fixed upper growth limit.

Beachwood Borough Master Plan, Part II « Beachwood Historical Alliance 2009

Briefing notes show the Y-shaped line will cost around £ 11.2 billion to build and £ 1.25 billion a year to run, but will deliver around £ 15 billion more in wider transport benefits and £ 10 billion more in revenue than the S-shaped option.

U.K. Outlines High-Speed Rail Vision Ainsley Thomson 2010

Historical linguists, who have traced the development of auxiliary do, show that its frequency, relative to the ‘main verb inversion’ pattern, followed a kind of S-shaped evolutionary curve (where there is a period of slow change followed by a period of rapid change) that also characterises the way – in Darwinian terms – one species replaces another.

X is for X-bar Theory « An A-Z of ELT 2010

I think the S-shaped line of stitching will gather the lace so that it will make two layers, each of which is ruffled, with the ruffles alternately shorter and longer.

Jean's Knitting Jean 2009

The government had been looking at the so-called single line "S-shaped" option, but after consulting with engineers decided the Y-shaped option was more cost effective.

U.K. Outlines High-Speed Rail Vision Ainsley Thomson 2010

The projections will take the form of an S-shaped curve in which growth begins slowly, increases rapidly for a while then slows as it approaches a fixed upper growth limit.

2009 March 06 « Beachwood Historical Alliance 2009

I watched them slalom down an S-shaped, 12-foot drop.

A Year Without Fear Scott Adams 2011

Atop this, Smith welded five S-shaped forgings he'd also found at Voltri, placed sequentially in a regular A-B-A-B-A pattern.

Forged in the Classical Tradition E.A. Carmean Jr. 2011

And greeting the guests would be this serpentine, S-shaped newel post - very bold, very chunky, very fluid, very energetic in form with a sweeping handrail leading up to the landing of the staircase suggesting that the gentility continues even onto the second floor.

Thomas Day: A Master Craftsman, With Complications 2010

Day's method was to take designs that were popular up North and add his own touches - such as that S-shaped newel post.

Thomas Day: A Master Craftsman, With Complications 2010