The phrase "a new solid" is correct and usable in written English.
It can be used in contexts where you are describing a new type of solid material or a solid object that has recently been created or discovered.
Example: "The researchers have developed a new solid that has remarkable properties for use in construction."
Alternatives: "a novel solid" or "an innovative solid".
In the US, GreenCell Inc in upstate New York has just completed a new solid oxide fuel cell stack design that utilises its unique UltraTemp-C properties.
The election revealed the existence of a new "solid South," for Hancock carried all the former Confederate states and three of the former slave states that had remained loyal to the Union.
Mr. Bloomberg has said that the second 100 days of his administration would be devoted to developing a new solid waste plan; the first 100 were focused on the budget and gaining mayoral control of the public school system.
But now Nicholas Ashford and Valerie Simpson themselves have vetted the parody — which they say began (or at least happened simultaneously) at concerts of theirs — and turned it into homage: they will release a new "Solid as Barack" single on January 20th.
This is illustrated by a new solid state alkylation process.
Arsenal discovered a new solid platform from which to spring attacks.
In addition to the two nuclear tests, Kim has successfully launched an intercontinental ballistic missile, a road-mobile intermediate-range missile, a submarine-launched ballistic missile, upgraded medium- and short-range missiles, re-entry vehicle technology, a new solid-fuel rocket engine, and an improved liquid-fuel ICBM engine.
Here, a new solid-state lithium ion battery design is investigated using LiSICON as the electrolyte.
What about a new solid-state long-lasting LED as an alternative to a classic light bulb?
Friction stir welding is a new solid-state joining technique, which was originally developed and successfully applied for aluminum alloys.
To efficiently access asymmetric cis platinum (II) complexes for biological evaluation, a new solid-phase synthesis was designed.
